Home / 22,030.02-32,986.20-12,655.98

Finding the Fourth Proportional to 22,030.02, 32,986.20 and 12,655.98

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Solution

The fourth proportional to 22,030.02, 32,986.20 and 12,655.98 is: 18,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.02 : 32,986.20 = 12,655.98 : x
  2. Step 2: Convert to fraction form
    22,030.02/32,986.20 = 12,655.98/x
  3. Step 3: Cross multiply
    22,030.02x = 32,986.20 × 12,655.98
  4. Step 4: Simplify right side
    22,030.02x = 417,472,687.48
  5. Step 5: Solve for x
    x = 417,472,687.48/22,030.02
  6. Step 6: Final answer
    x = 18,950.17

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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.