Home / 15,800.04-21,806.84-9,427.02

Finding the Fourth Proportional to 15,800.04, 21,806.84 and 9,427.02

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Solution

The fourth proportional to 15,800.04, 21,806.84 and 9,427.02 is: 13,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.04 : 21,806.84 = 9,427.02 : x
  2. Step 2: Convert to fraction form
    15,800.04/21,806.84 = 9,427.02/x
  3. Step 3: Cross multiply
    15,800.04x = 21,806.84 × 9,427.02
  4. Step 4: Simplify right side
    15,800.04x = 205,573,516.82
  5. Step 5: Solve for x
    x = 205,573,516.82/15,800.04
  6. Step 6: Final answer
    x = 13,010.95

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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.