Home / 19,184.20-26,472.30-10,686.02

Finding the Fourth Proportional to 19,184.20, 26,472.30 and 10,686.02

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Solution

The fourth proportional to 19,184.20, 26,472.30 and 10,686.02 is: 14,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.20 : 26,472.30 = 10,686.02 : x
  2. Step 2: Convert to fraction form
    19,184.20/26,472.30 = 10,686.02/x
  3. Step 3: Cross multiply
    19,184.20x = 26,472.30 × 10,686.02
  4. Step 4: Simplify right side
    19,184.20x = 282,883,527.25
  5. Step 5: Solve for x
    x = 282,883,527.25/19,184.20
  6. Step 6: Final answer
    x = 14,745.65

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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.