Home / 13,303.53-18,358.86-8,001.42

Finding the Fourth Proportional to 13,303.53, 18,358.86 and 8,001.42

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Solution

The fourth proportional to 13,303.53, 18,358.86 and 8,001.42 is: 11,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.53 : 18,358.86 = 8,001.42 : x
  2. Step 2: Convert to fraction form
    13,303.53/18,358.86 = 8,001.42/x
  3. Step 3: Cross multiply
    13,303.53x = 18,358.86 × 8,001.42
  4. Step 4: Simplify right side
    13,303.53x = 146,896,949.58
  5. Step 5: Solve for x
    x = 146,896,949.58/13,303.53
  6. Step 6: Final answer
    x = 11,041.95

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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.