Home / 9,864.08-13,612.53-5,387.96

Finding the Fourth Proportional to 9,864.08, 13,612.53 and 5,387.96

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Solution

The fourth proportional to 9,864.08, 13,612.53 and 5,387.96 is: 7,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.08 : 13,612.53 = 5,387.96 : x
  2. Step 2: Convert to fraction form
    9,864.08/13,612.53 = 5,387.96/x
  3. Step 3: Cross multiply
    9,864.08x = 13,612.53 × 5,387.96
  4. Step 4: Simplify right side
    9,864.08x = 73,343,767.14
  5. Step 5: Solve for x
    x = 73,343,767.14/9,864.08
  6. Step 6: Final answer
    x = 7,435.44

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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.