Home / 9,342.95-12,887.65-7,350.35

Finding the Fourth Proportional to 9,342.95, 12,887.65 and 7,350.35

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Solution

The fourth proportional to 9,342.95, 12,887.65 and 7,350.35 is: 10,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.95 : 12,887.65 = 7,350.35 : x
  2. Step 2: Convert to fraction form
    9,342.95/12,887.65 = 7,350.35/x
  3. Step 3: Cross multiply
    9,342.95x = 12,887.65 × 7,350.35
  4. Step 4: Simplify right side
    9,342.95x = 94,728,738.18
  5. Step 5: Solve for x
    x = 94,728,738.18/9,342.95
  6. Step 6: Final answer
    x = 10,139.06

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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.