Home / 13,056.59-18,018.07-7,088.20

Finding the Fourth Proportional to 13,056.59, 18,018.07 and 7,088.20

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Solution

The fourth proportional to 13,056.59, 18,018.07 and 7,088.20 is: 9,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.59 : 18,018.07 = 7,088.20 : x
  2. Step 2: Convert to fraction form
    13,056.59/18,018.07 = 7,088.20/x
  3. Step 3: Cross multiply
    13,056.59x = 18,018.07 × 7,088.20
  4. Step 4: Simplify right side
    13,056.59x = 127,715,621.01
  5. Step 5: Solve for x
    x = 127,715,621.01/13,056.59
  6. Step 6: Final answer
    x = 9,781.70

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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.