Home / 10,921.04-15,071-5,953.04

Finding the Fourth Proportional to 10,921.04, 15,071 and 5,953.04

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Solution

The fourth proportional to 10,921.04, 15,071 and 5,953.04 is: 8,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.04 : 15,071 = 5,953.04 : x
  2. Step 2: Convert to fraction form
    10,921.04/15,071 = 5,953.04/x
  3. Step 3: Cross multiply
    10,921.04x = 15,071 × 5,953.04
  4. Step 4: Simplify right side
    10,921.04x = 89,718,265.84
  5. Step 5: Solve for x
    x = 89,718,265.84/10,921.04
  6. Step 6: Final answer
    x = 8,215.18

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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.