Home / 13,088.34-18,062.19-7,499.34

Finding the Fourth Proportional to 13,088.34, 18,062.19 and 7,499.34

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Solution

The fourth proportional to 13,088.34, 18,062.19 and 7,499.34 is: 10,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.34 : 18,062.19 = 7,499.34 : x
  2. Step 2: Convert to fraction form
    13,088.34/18,062.19 = 7,499.34/x
  3. Step 3: Cross multiply
    13,088.34x = 18,062.19 × 7,499.34
  4. Step 4: Simplify right side
    13,088.34x = 135,454,503.95
  5. Step 5: Solve for x
    x = 135,454,503.95/13,088.34
  6. Step 6: Final answer
    x = 10,349.25

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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.