Home / 15,478.17-21,377.46-10,433.70

Finding the Fourth Proportional to 15,478.17, 21,377.46 and 10,433.70

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Solution

The fourth proportional to 15,478.17, 21,377.46 and 10,433.70 is: 14,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.17 : 21,377.46 = 10,433.70 : x
  2. Step 2: Convert to fraction form
    15,478.17/21,377.46 = 10,433.70/x
  3. Step 3: Cross multiply
    15,478.17x = 21,377.46 × 10,433.70
  4. Step 4: Simplify right side
    15,478.17x = 223,046,004.40
  5. Step 5: Solve for x
    x = 223,046,004.40/15,478.17
  6. Step 6: Final answer
    x = 14,410.36

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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.