Home / 13,565.68-18,720.42-7,597.29

Finding the Fourth Proportional to 13,565.68, 18,720.42 and 7,597.29

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Solution

The fourth proportional to 13,565.68, 18,720.42 and 7,597.29 is: 10,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.68 : 18,720.42 = 7,597.29 : x
  2. Step 2: Convert to fraction form
    13,565.68/18,720.42 = 7,597.29/x
  3. Step 3: Cross multiply
    13,565.68x = 18,720.42 × 7,597.29
  4. Step 4: Simplify right side
    13,565.68x = 142,224,501.37
  5. Step 5: Solve for x
    x = 142,224,501.37/13,565.68
  6. Step 6: Final answer
    x = 10,484.14

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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.