Home / 22,235.04-30,681-14,278.32

Finding the Fourth Proportional to 22,235.04, 30,681 and 14,278.32

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Solution

The fourth proportional to 22,235.04, 30,681 and 14,278.32 is: 19,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.04 : 30,681 = 14,278.32 : x
  2. Step 2: Convert to fraction form
    22,235.04/30,681 = 14,278.32/x
  3. Step 3: Cross multiply
    22,235.04x = 30,681 × 14,278.32
  4. Step 4: Simplify right side
    22,235.04x = 438,073,135.92
  5. Step 5: Solve for x
    x = 438,073,135.92/22,235.04
  6. Step 6: Final answer
    x = 19,701.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.