Home / 13,307.00-18,363.80-7,338.89

Finding the Fourth Proportional to 13,307.00, 18,363.80 and 7,338.89

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Solution

The fourth proportional to 13,307.00, 18,363.80 and 7,338.89 is: 10,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.00 : 18,363.80 = 7,338.89 : x
  2. Step 2: Convert to fraction form
    13,307.00/18,363.80 = 7,338.89/x
  3. Step 3: Cross multiply
    13,307.00x = 18,363.80 × 7,338.89
  4. Step 4: Simplify right side
    13,307.00x = 134,769,827.86
  5. Step 5: Solve for x
    x = 134,769,827.86/13,307.00
  6. Step 6: Final answer
    x = 10,127.74

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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.