Home / 21,342.61-32,013.58-6,551.20

Finding the Fourth Proportional to 21,342.61, 32,013.58 and 6,551.20

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Solution

The fourth proportional to 21,342.61, 32,013.58 and 6,551.20 is: 9,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342.61 : 32,013.58 = 6,551.20 : x
  2. Step 2: Convert to fraction form
    21,342.61/32,013.58 = 6,551.20/x
  3. Step 3: Cross multiply
    21,342.61x = 32,013.58 × 6,551.20
  4. Step 4: Simplify right side
    21,342.61x = 209,727,491.26
  5. Step 5: Solve for x
    x = 209,727,491.26/21,342.61
  6. Step 6: Final answer
    x = 9,826.70

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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.