Home / 10,927.52-15,071.15-7,341.39

Finding the Fourth Proportional to 10,927.52, 15,071.15 and 7,341.39

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Solution

The fourth proportional to 10,927.52, 15,071.15 and 7,341.39 is: 10,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.52 : 15,071.15 = 7,341.39 : x
  2. Step 2: Convert to fraction form
    10,927.52/15,071.15 = 7,341.39/x
  3. Step 3: Cross multiply
    10,927.52x = 15,071.15 × 7,341.39
  4. Step 4: Simplify right side
    10,927.52x = 110,643,153.19
  5. Step 5: Solve for x
    x = 110,643,153.19/10,927.52
  6. Step 6: Final answer
    x = 10,125.19

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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.