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Finding the Fourth Proportional to 10,043, 15,069.76 and 7,292.39

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Solution

The fourth proportional to 10,043, 15,069.76 and 7,292.39 is: 10,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043 : 15,069.76 = 7,292.39 : x
  2. Step 2: Convert to fraction form
    10,043/15,069.76 = 7,292.39/x
  3. Step 3: Cross multiply
    10,043x = 15,069.76 × 7,292.39
  4. Step 4: Simplify right side
    10,043x = 109,894,530.66
  5. Step 5: Solve for x
    x = 109,894,530.66/10,043
  6. Step 6: Final answer
    x = 10,942.40

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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.