Home / 9,159.72-13,717.56-8,700.36

Finding the Fourth Proportional to 9,159.72, 13,717.56 and 8,700.36

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Solution

The fourth proportional to 9,159.72, 13,717.56 and 8,700.36 is: 13,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.72 : 13,717.56 = 8,700.36 : x
  2. Step 2: Convert to fraction form
    9,159.72/13,717.56 = 8,700.36/x
  3. Step 3: Cross multiply
    9,159.72x = 13,717.56 × 8,700.36
  4. Step 4: Simplify right side
    9,159.72x = 119,347,710.32
  5. Step 5: Solve for x
    x = 119,347,710.32/9,159.72
  6. Step 6: Final answer
    x = 13,029.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.