Home / 12,607.07-17,397.61-6,941.70

Finding the Fourth Proportional to 12,607.07, 17,397.61 and 6,941.70

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Solution

The fourth proportional to 12,607.07, 17,397.61 and 6,941.70 is: 9,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.07 : 17,397.61 = 6,941.70 : x
  2. Step 2: Convert to fraction form
    12,607.07/17,397.61 = 6,941.70/x
  3. Step 3: Cross multiply
    12,607.07x = 17,397.61 × 6,941.70
  4. Step 4: Simplify right side
    12,607.07x = 120,768,989.34
  5. Step 5: Solve for x
    x = 120,768,989.34/12,607.07
  6. Step 6: Final answer
    x = 9,579.47

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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.