Home / 21,710.60-32,565.29-6,920.40

Finding the Fourth Proportional to 21,710.60, 32,565.29 and 6,920.40

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Solution

The fourth proportional to 21,710.60, 32,565.29 and 6,920.40 is: 10,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.60 : 32,565.29 = 6,920.40 : x
  2. Step 2: Convert to fraction form
    21,710.60/32,565.29 = 6,920.40/x
  3. Step 3: Cross multiply
    21,710.60x = 32,565.29 × 6,920.40
  4. Step 4: Simplify right side
    21,710.60x = 225,364,798.31
  5. Step 5: Solve for x
    x = 225,364,798.31/21,710.60
  6. Step 6: Final answer
    x = 10,380.41

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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.