Home / 14,775.48-20,392.80-8,807.53

Finding the Fourth Proportional to 14,775.48, 20,392.80 and 8,807.53

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Solution

The fourth proportional to 14,775.48, 20,392.80 and 8,807.53 is: 12,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.48 : 20,392.80 = 8,807.53 : x
  2. Step 2: Convert to fraction form
    14,775.48/20,392.80 = 8,807.53/x
  3. Step 3: Cross multiply
    14,775.48x = 20,392.80 × 8,807.53
  4. Step 4: Simplify right side
    14,775.48x = 179,610,197.78
  5. Step 5: Solve for x
    x = 179,610,197.78/14,775.48
  6. Step 6: Final answer
    x = 12,155.96

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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.