Home / 15,307.32-21,124.09-8,592.96

Finding the Fourth Proportional to 15,307.32, 21,124.09 and 8,592.96

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Solution

The fourth proportional to 15,307.32, 21,124.09 and 8,592.96 is: 11,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.32 : 21,124.09 = 8,592.96 : x
  2. Step 2: Convert to fraction form
    15,307.32/21,124.09 = 8,592.96/x
  3. Step 3: Cross multiply
    15,307.32x = 21,124.09 × 8,592.96
  4. Step 4: Simplify right side
    15,307.32x = 181,518,508.29
  5. Step 5: Solve for x
    x = 181,518,508.29/15,307.32
  6. Step 6: Final answer
    x = 11,858.28

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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.