Home / 19,658.32-29,482.28-13,417.20

Finding the Fourth Proportional to 19,658.32, 29,482.28 and 13,417.20

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Solution

The fourth proportional to 19,658.32, 29,482.28 and 13,417.20 is: 20,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.32 : 29,482.28 = 13,417.20 : x
  2. Step 2: Convert to fraction form
    19,658.32/29,482.28 = 13,417.20/x
  3. Step 3: Cross multiply
    19,658.32x = 29,482.28 × 13,417.20
  4. Step 4: Simplify right side
    19,658.32x = 395,569,647.22
  5. Step 5: Solve for x
    x = 395,569,647.22/19,658.32
  6. Step 6: Final answer
    x = 20,122.25

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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.