Home / 9,973.04-13,748.28-6,979.76

Finding the Fourth Proportional to 9,973.04, 13,748.28 and 6,979.76

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Solution

The fourth proportional to 9,973.04, 13,748.28 and 6,979.76 is: 9,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.04 : 13,748.28 = 6,979.76 : x
  2. Step 2: Convert to fraction form
    9,973.04/13,748.28 = 6,979.76/x
  3. Step 3: Cross multiply
    9,973.04x = 13,748.28 × 6,979.76
  4. Step 4: Simplify right side
    9,973.04x = 95,959,694.81
  5. Step 5: Solve for x
    x = 95,959,694.81/9,973.04
  6. Step 6: Final answer
    x = 9,621.91

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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.