Home / 15,977.79-22,049.51-8,807.94

Finding the Fourth Proportional to 15,977.79, 22,049.51 and 8,807.94

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Solution

The fourth proportional to 15,977.79, 22,049.51 and 8,807.94 is: 12,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.79 : 22,049.51 = 8,807.94 : x
  2. Step 2: Convert to fraction form
    15,977.79/22,049.51 = 8,807.94/x
  3. Step 3: Cross multiply
    15,977.79x = 22,049.51 × 8,807.94
  4. Step 4: Simplify right side
    15,977.79x = 194,210,717.07
  5. Step 5: Solve for x
    x = 194,210,717.07/15,977.79
  6. Step 6: Final answer
    x = 12,155.04

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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.