Home / 14,377.60-19,820.19-10,391.59

Finding the Fourth Proportional to 14,377.60, 19,820.19 and 10,391.59

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Solution

The fourth proportional to 14,377.60, 19,820.19 and 10,391.59 is: 14,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.60 : 19,820.19 = 10,391.59 : x
  2. Step 2: Convert to fraction form
    14,377.60/19,820.19 = 10,391.59/x
  3. Step 3: Cross multiply
    14,377.60x = 19,820.19 × 10,391.59
  4. Step 4: Simplify right side
    14,377.60x = 205,963,288.20
  5. Step 5: Solve for x
    x = 205,963,288.20/14,377.60
  6. Step 6: Final answer
    x = 14,325.29

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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.