Home / 11,565.60-17,348.40-7,410.30

Finding the Fourth Proportional to 11,565.60, 17,348.40 and 7,410.30

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Solution

The fourth proportional to 11,565.60, 17,348.40 and 7,410.30 is: 11,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.60 : 17,348.40 = 7,410.30 : x
  2. Step 2: Convert to fraction form
    11,565.60/17,348.40 = 7,410.30/x
  3. Step 3: Cross multiply
    11,565.60x = 17,348.40 × 7,410.30
  4. Step 4: Simplify right side
    11,565.60x = 128,556,848.52
  5. Step 5: Solve for x
    x = 128,556,848.52/11,565.60
  6. Step 6: Final answer
    x = 11,115.45

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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.