Home / 13,555.52-20,332.13-4,670.83

Finding the Fourth Proportional to 13,555.52, 20,332.13 and 4,670.83

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Solution

The fourth proportional to 13,555.52, 20,332.13 and 4,670.83 is: 7,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.52 : 20,332.13 = 4,670.83 : x
  2. Step 2: Convert to fraction form
    13,555.52/20,332.13 = 4,670.83/x
  3. Step 3: Cross multiply
    13,555.52x = 20,332.13 × 4,670.83
  4. Step 4: Simplify right side
    13,555.52x = 94,967,924.83
  5. Step 5: Solve for x
    x = 94,967,924.83/13,555.52
  6. Step 6: Final answer
    x = 7,005.85

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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.