Home / 19,400.18-29,061.95-15,219.36

Finding the Fourth Proportional to 19,400.18, 29,061.95 and 15,219.36

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Solution

The fourth proportional to 19,400.18, 29,061.95 and 15,219.36 is: 22,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.18 : 29,061.95 = 15,219.36 : x
  2. Step 2: Convert to fraction form
    19,400.18/29,061.95 = 15,219.36/x
  3. Step 3: Cross multiply
    19,400.18x = 29,061.95 × 15,219.36
  4. Step 4: Simplify right side
    19,400.18x = 442,304,203.26
  5. Step 5: Solve for x
    x = 442,304,203.26/19,400.18
  6. Step 6: Final answer
    x = 22,798.98

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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.