Home / 10,021.00-15,034.95-4,478.17

Finding the Fourth Proportional to 10,021.00, 15,034.95 and 4,478.17

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Solution

The fourth proportional to 10,021.00, 15,034.95 and 4,478.17 is: 6,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.00 : 15,034.95 = 4,478.17 : x
  2. Step 2: Convert to fraction form
    10,021.00/15,034.95 = 4,478.17/x
  3. Step 3: Cross multiply
    10,021.00x = 15,034.95 × 4,478.17
  4. Step 4: Simplify right side
    10,021.00x = 67,329,024.45
  5. Step 5: Solve for x
    x = 67,329,024.45/10,021.00
  6. Step 6: Final answer
    x = 6,718.79

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1.5x scale

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.