Home / 10,001.88-13,795.65-8,113.50

Finding the Fourth Proportional to 10,001.88, 13,795.65 and 8,113.50

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Solution

The fourth proportional to 10,001.88, 13,795.65 and 8,113.50 is: 11,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.88 : 13,795.65 = 8,113.50 : x
  2. Step 2: Convert to fraction form
    10,001.88/13,795.65 = 8,113.50/x
  3. Step 3: Cross multiply
    10,001.88x = 13,795.65 × 8,113.50
  4. Step 4: Simplify right side
    10,001.88x = 111,931,006.28
  5. Step 5: Solve for x
    x = 111,931,006.28/10,001.88
  6. Step 6: Final answer
    x = 11,191.00

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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.