Home / 19,534.04-29,295.60-6,387.20

Finding the Fourth Proportional to 19,534.04, 29,295.60 and 6,387.20

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Solution

The fourth proportional to 19,534.04, 29,295.60 and 6,387.20 is: 9,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.04 : 29,295.60 = 6,387.20 : x
  2. Step 2: Convert to fraction form
    19,534.04/29,295.60 = 6,387.20/x
  3. Step 3: Cross multiply
    19,534.04x = 29,295.60 × 6,387.20
  4. Step 4: Simplify right side
    19,534.04x = 187,116,856.32
  5. Step 5: Solve for x
    x = 187,116,856.32/19,534.04
  6. Step 6: Final answer
    x = 9,579.01

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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.