Home / 18,710.16-28,070.34-6,232.20

Finding the Fourth Proportional to 18,710.16, 28,070.34 and 6,232.20

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Solution

The fourth proportional to 18,710.16, 28,070.34 and 6,232.20 is: 9,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.16 : 28,070.34 = 6,232.20 : x
  2. Step 2: Convert to fraction form
    18,710.16/28,070.34 = 6,232.20/x
  3. Step 3: Cross multiply
    18,710.16x = 28,070.34 × 6,232.20
  4. Step 4: Simplify right side
    18,710.16x = 174,939,972.95
  5. Step 5: Solve for x
    x = 174,939,972.95/18,710.16
  6. Step 6: Final answer
    x = 9,350.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.