Home / 15,977.04-22,048.47-8,807.22

Finding the Fourth Proportional to 15,977.04, 22,048.47 and 8,807.22

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Solution

The fourth proportional to 15,977.04, 22,048.47 and 8,807.22 is: 12,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.04 : 22,048.47 = 8,807.22 : x
  2. Step 2: Convert to fraction form
    15,977.04/22,048.47 = 8,807.22/x
  3. Step 3: Cross multiply
    15,977.04x = 22,048.47 × 8,807.22
  4. Step 4: Simplify right side
    15,977.04x = 194,185,725.95
  5. Step 5: Solve for x
    x = 194,185,725.95/15,977.04
  6. Step 6: Final answer
    x = 12,154.05

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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.