Home / 22,661.60-31,274.08-12,590.06

Finding the Fourth Proportional to 22,661.60, 31,274.08 and 12,590.06

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Solution

The fourth proportional to 22,661.60, 31,274.08 and 12,590.06 is: 17,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.60 : 31,274.08 = 12,590.06 : x
  2. Step 2: Convert to fraction form
    22,661.60/31,274.08 = 12,590.06/x
  3. Step 3: Cross multiply
    22,661.60x = 31,274.08 × 12,590.06
  4. Step 4: Simplify right side
    22,661.60x = 393,742,543.64
  5. Step 5: Solve for x
    x = 393,742,543.64/22,661.60
  6. Step 6: Final answer
    x = 17,374.88

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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.