Home / 10,420.34-15,632.96-3,024.95

Finding the Fourth Proportional to 10,420.34, 15,632.96 and 3,024.95

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Solution

The fourth proportional to 10,420.34, 15,632.96 and 3,024.95 is: 4,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.34 : 15,632.96 = 3,024.95 : x
  2. Step 2: Convert to fraction form
    10,420.34/15,632.96 = 3,024.95/x
  3. Step 3: Cross multiply
    10,420.34x = 15,632.96 × 3,024.95
  4. Step 4: Simplify right side
    10,420.34x = 47,288,829.06
  5. Step 5: Solve for x
    x = 47,288,829.06/10,420.34
  6. Step 6: Final answer
    x = 4,538.13

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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.