Home / 10,348.48-15,522.78-7,053.40

Finding the Fourth Proportional to 10,348.48, 15,522.78 and 7,053.40

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Solution

The fourth proportional to 10,348.48, 15,522.78 and 7,053.40 is: 10,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.48 : 15,522.78 = 7,053.40 : x
  2. Step 2: Convert to fraction form
    10,348.48/15,522.78 = 7,053.40/x
  3. Step 3: Cross multiply
    10,348.48x = 15,522.78 × 7,053.40
  4. Step 4: Simplify right side
    10,348.48x = 109,488,376.45
  5. Step 5: Solve for x
    x = 109,488,376.45/10,348.48
  6. Step 6: Final answer
    x = 10,580.14

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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.