Home / 15,977.58-22,048.20-8,807.28

Finding the Fourth Proportional to 15,977.58, 22,048.20 and 8,807.28

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Solution

The fourth proportional to 15,977.58, 22,048.20 and 8,807.28 is: 12,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.58 : 22,048.20 = 8,807.28 : x
  2. Step 2: Convert to fraction form
    15,977.58/22,048.20 = 8,807.28/x
  3. Step 3: Cross multiply
    15,977.58x = 22,048.20 × 8,807.28
  4. Step 4: Simplify right side
    15,977.58x = 194,184,670.90
  5. Step 5: Solve for x
    x = 194,184,670.90/15,977.58
  6. Step 6: Final answer
    x = 12,153.57

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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.