Home / 15,539.11-21,437.14-10,501.50

Finding the Fourth Proportional to 15,539.11, 21,437.14 and 10,501.50

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Solution

The fourth proportional to 15,539.11, 21,437.14 and 10,501.50 is: 14,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.11 : 21,437.14 = 10,501.50 : x
  2. Step 2: Convert to fraction form
    15,539.11/21,437.14 = 10,501.50/x
  3. Step 3: Cross multiply
    15,539.11x = 21,437.14 × 10,501.50
  4. Step 4: Simplify right side
    15,539.11x = 225,122,125.71
  5. Step 5: Solve for x
    x = 225,122,125.71/15,539.11
  6. Step 6: Final answer
    x = 14,487.45

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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.