Home / 13,785.59-19,017.10-9,008.34

Finding the Fourth Proportional to 13,785.59, 19,017.10 and 9,008.34

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Solution

The fourth proportional to 13,785.59, 19,017.10 and 9,008.34 is: 12,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.59 : 19,017.10 = 9,008.34 : x
  2. Step 2: Convert to fraction form
    13,785.59/19,017.10 = 9,008.34/x
  3. Step 3: Cross multiply
    13,785.59x = 19,017.10 × 9,008.34
  4. Step 4: Simplify right side
    13,785.59x = 171,312,521.38
  5. Step 5: Solve for x
    x = 171,312,521.38/13,785.59
  6. Step 6: Final answer
    x = 12,426.92

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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.