Home / 40,009.14-60,013.68-12,307.14

Finding the Fourth Proportional to 40,009.14, 60,013.68 and 12,307.14

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Solution

The fourth proportional to 40,009.14, 60,013.68 and 12,307.14 is: 18,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.14 : 60,013.68 = 12,307.14 : x
  2. Step 2: Convert to fraction form
    40,009.14/60,013.68 = 12,307.14/x
  3. Step 3: Cross multiply
    40,009.14x = 60,013.68 × 12,307.14
  4. Step 4: Simplify right side
    40,009.14x = 738,596,761.68
  5. Step 5: Solve for x
    x = 738,596,761.68/40,009.14
  6. Step 6: Final answer
    x = 18,460.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.