Home / 19,622.70-29,417.40-8,521.02

Finding the Fourth Proportional to 19,622.70, 29,417.40 and 8,521.02

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Solution

The fourth proportional to 19,622.70, 29,417.40 and 8,521.02 is: 12,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.70 : 29,417.40 = 8,521.02 : x
  2. Step 2: Convert to fraction form
    19,622.70/29,417.40 = 8,521.02/x
  3. Step 3: Cross multiply
    19,622.70x = 29,417.40 × 8,521.02
  4. Step 4: Simplify right side
    19,622.70x = 250,666,253.75
  5. Step 5: Solve for x
    x = 250,666,253.75/19,622.70
  6. Step 6: Final answer
    x = 12,774.30

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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.