Home / 19,423.28-29,139.78-6,276.98

Finding the Fourth Proportional to 19,423.28, 29,139.78 and 6,276.98

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Solution

The fourth proportional to 19,423.28, 29,139.78 and 6,276.98 is: 9,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.28 : 29,139.78 = 6,276.98 : x
  2. Step 2: Convert to fraction form
    19,423.28/29,139.78 = 6,276.98/x
  3. Step 3: Cross multiply
    19,423.28x = 29,139.78 × 6,276.98
  4. Step 4: Simplify right side
    19,423.28x = 182,909,670.57
  5. Step 5: Solve for x
    x = 182,909,670.57/19,423.28
  6. Step 6: Final answer
    x = 9,417.04

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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.