Home / 13,287.64-18,316.91-10,925.68

Finding the Fourth Proportional to 13,287.64, 18,316.91 and 10,925.68

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Solution

The fourth proportional to 13,287.64, 18,316.91 and 10,925.68 is: 15,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.64 : 18,316.91 = 10,925.68 : x
  2. Step 2: Convert to fraction form
    13,287.64/18,316.91 = 10,925.68/x
  3. Step 3: Cross multiply
    13,287.64x = 18,316.91 × 10,925.68
  4. Step 4: Simplify right side
    13,287.64x = 200,124,551.04
  5. Step 5: Solve for x
    x = 200,124,551.04/13,287.64
  6. Step 6: Final answer
    x = 15,060.96

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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.