Home / 22,702.99-31,326.51-12,631.40

Finding the Fourth Proportional to 22,702.99, 31,326.51 and 12,631.40

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Solution

The fourth proportional to 22,702.99, 31,326.51 and 12,631.40 is: 17,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.99 : 31,326.51 = 12,631.40 : x
  2. Step 2: Convert to fraction form
    22,702.99/31,326.51 = 12,631.40/x
  3. Step 3: Cross multiply
    22,702.99x = 31,326.51 × 12,631.40
  4. Step 4: Simplify right side
    22,702.99x = 395,697,686.62
  5. Step 5: Solve for x
    x = 395,697,686.62/22,702.99
  6. Step 6: Final answer
    x = 17,429.32

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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.