Home / 14,298.90-21,461.40-7,283.76

Finding the Fourth Proportional to 14,298.90, 21,461.40 and 7,283.76

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Solution

The fourth proportional to 14,298.90, 21,461.40 and 7,283.76 is: 10,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.90 : 21,461.40 = 7,283.76 : x
  2. Step 2: Convert to fraction form
    14,298.90/21,461.40 = 7,283.76/x
  3. Step 3: Cross multiply
    14,298.90x = 21,461.40 × 7,283.76
  4. Step 4: Simplify right side
    14,298.90x = 156,319,686.86
  5. Step 5: Solve for x
    x = 156,319,686.86/14,298.90
  6. Step 6: Final answer
    x = 10,932.29

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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.