Home / 12,395.64-17,108.62-7,430.52

Finding the Fourth Proportional to 12,395.64, 17,108.62 and 7,430.52

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Solution

The fourth proportional to 12,395.64, 17,108.62 and 7,430.52 is: 10,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.64 : 17,108.62 = 7,430.52 : x
  2. Step 2: Convert to fraction form
    12,395.64/17,108.62 = 7,430.52/x
  3. Step 3: Cross multiply
    12,395.64x = 17,108.62 × 7,430.52
  4. Step 4: Simplify right side
    12,395.64x = 127,125,943.08
  5. Step 5: Solve for x
    x = 127,125,943.08/12,395.64
  6. Step 6: Final answer
    x = 10,255.70

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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.