Home / 15,463.16-21,339.24-8,389.52

Finding the Fourth Proportional to 15,463.16, 21,339.24 and 8,389.52

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Solution

The fourth proportional to 15,463.16, 21,339.24 and 8,389.52 is: 11,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.16 : 21,339.24 = 8,389.52 : x
  2. Step 2: Convert to fraction form
    15,463.16/21,339.24 = 8,389.52/x
  3. Step 3: Cross multiply
    15,463.16x = 21,339.24 × 8,389.52
  4. Step 4: Simplify right side
    15,463.16x = 179,025,980.76
  5. Step 5: Solve for x
    x = 179,025,980.76/15,463.16
  6. Step 6: Final answer
    x = 11,577.58

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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.