Home / 13,045.15-18,017.29-8,588.84

Finding the Fourth Proportional to 13,045.15, 18,017.29 and 8,588.84

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Solution

The fourth proportional to 13,045.15, 18,017.29 and 8,588.84 is: 11,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.15 : 18,017.29 = 8,588.84 : x
  2. Step 2: Convert to fraction form
    13,045.15/18,017.29 = 8,588.84/x
  3. Step 3: Cross multiply
    13,045.15x = 18,017.29 × 8,588.84
  4. Step 4: Simplify right side
    13,045.15x = 154,747,493.38
  5. Step 5: Solve for x
    x = 154,747,493.38/13,045.15
  6. Step 6: Final answer
    x = 11,862.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.