Home / 19,424.32-29,108.88-8,868.40

Finding the Fourth Proportional to 19,424.32, 29,108.88 and 8,868.40

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Solution

The fourth proportional to 19,424.32, 29,108.88 and 8,868.40 is: 13,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.32 : 29,108.88 = 8,868.40 : x
  2. Step 2: Convert to fraction form
    19,424.32/29,108.88 = 8,868.40/x
  3. Step 3: Cross multiply
    19,424.32x = 29,108.88 × 8,868.40
  4. Step 4: Simplify right side
    19,424.32x = 258,149,191.39
  5. Step 5: Solve for x
    x = 258,149,191.39/19,424.32
  6. Step 6: Final answer
    x = 13,290.00

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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.