Home / 15,308.86-21,124.77-8,592.95

Finding the Fourth Proportional to 15,308.86, 21,124.77 and 8,592.95

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Solution

The fourth proportional to 15,308.86, 21,124.77 and 8,592.95 is: 11,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.86 : 21,124.77 = 8,592.95 : x
  2. Step 2: Convert to fraction form
    15,308.86/21,124.77 = 8,592.95/x
  3. Step 3: Cross multiply
    15,308.86x = 21,124.77 × 8,592.95
  4. Step 4: Simplify right side
    15,308.86x = 181,523,943.78
  5. Step 5: Solve for x
    x = 181,523,943.78/15,308.86
  6. Step 6: Final answer
    x = 11,857.45

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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.