Home / 10,572.45-14,566.49-6,981.03

Finding the Fourth Proportional to 10,572.45, 14,566.49 and 6,981.03

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Solution

The fourth proportional to 10,572.45, 14,566.49 and 6,981.03 is: 9,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.45 : 14,566.49 = 6,981.03 : x
  2. Step 2: Convert to fraction form
    10,572.45/14,566.49 = 6,981.03/x
  3. Step 3: Cross multiply
    10,572.45x = 14,566.49 × 6,981.03
  4. Step 4: Simplify right side
    10,572.45x = 101,689,068.78
  5. Step 5: Solve for x
    x = 101,689,068.78/10,572.45
  6. Step 6: Final answer
    x = 9,618.31

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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.