Home / 22,658.04-31,268.08-12,587.42

Finding the Fourth Proportional to 22,658.04, 31,268.08 and 12,587.42

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Solution

The fourth proportional to 22,658.04, 31,268.08 and 12,587.42 is: 17,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.04 : 31,268.08 = 12,587.42 : x
  2. Step 2: Convert to fraction form
    22,658.04/31,268.08 = 12,587.42/x
  3. Step 3: Cross multiply
    22,658.04x = 31,268.08 × 12,587.42
  4. Step 4: Simplify right side
    22,658.04x = 393,584,302.77
  5. Step 5: Solve for x
    x = 393,584,302.77/22,658.04
  6. Step 6: Final answer
    x = 17,370.63

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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.