Home / 14,985.08-20,687.19-10,947.38

Finding the Fourth Proportional to 14,985.08, 20,687.19 and 10,947.38

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Solution

The fourth proportional to 14,985.08, 20,687.19 and 10,947.38 is: 15,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.08 : 20,687.19 = 10,947.38 : x
  2. Step 2: Convert to fraction form
    14,985.08/20,687.19 = 10,947.38/x
  3. Step 3: Cross multiply
    14,985.08x = 20,687.19 × 10,947.38
  4. Step 4: Simplify right side
    14,985.08x = 226,470,530.06
  5. Step 5: Solve for x
    x = 226,470,530.06/14,985.08
  6. Step 6: Final answer
    x = 15,113.07

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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.