Home / 19,566.40-29,358.26-7,902.40

Finding the Fourth Proportional to 19,566.40, 29,358.26 and 7,902.40

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Solution

The fourth proportional to 19,566.40, 29,358.26 and 7,902.40 is: 11,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.40 : 29,358.26 = 7,902.40 : x
  2. Step 2: Convert to fraction form
    19,566.40/29,358.26 = 7,902.40/x
  3. Step 3: Cross multiply
    19,566.40x = 29,358.26 × 7,902.40
  4. Step 4: Simplify right side
    19,566.40x = 232,000,713.82
  5. Step 5: Solve for x
    x = 232,000,713.82/19,566.40
  6. Step 6: Final answer
    x = 11,857.10

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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.