Home / 10,748.08-14,832.48-6,972.76

Finding the Fourth Proportional to 10,748.08, 14,832.48 and 6,972.76

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Solution

The fourth proportional to 10,748.08, 14,832.48 and 6,972.76 is: 9,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.08 : 14,832.48 = 6,972.76 : x
  2. Step 2: Convert to fraction form
    10,748.08/14,832.48 = 6,972.76/x
  3. Step 3: Cross multiply
    10,748.08x = 14,832.48 × 6,972.76
  4. Step 4: Simplify right side
    10,748.08x = 103,423,323.24
  5. Step 5: Solve for x
    x = 103,423,323.24/10,748.08
  6. Step 6: Final answer
    x = 9,622.49

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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.