Home / 23,180.07-31,988.46-12,569.68

Finding the Fourth Proportional to 23,180.07, 31,988.46 and 12,569.68

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Solution

The fourth proportional to 23,180.07, 31,988.46 and 12,569.68 is: 17,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.07 : 31,988.46 = 12,569.68 : x
  2. Step 2: Convert to fraction form
    23,180.07/31,988.46 = 12,569.68/x
  3. Step 3: Cross multiply
    23,180.07x = 31,988.46 × 12,569.68
  4. Step 4: Simplify right side
    23,180.07x = 402,084,705.89
  5. Step 5: Solve for x
    x = 402,084,705.89/23,180.07
  6. Step 6: Final answer
    x = 17,346.14

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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.