Home / 10,003.07-13,810.02-8,895.80

Finding the Fourth Proportional to 10,003.07, 13,810.02 and 8,895.80

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Solution

The fourth proportional to 10,003.07, 13,810.02 and 8,895.80 is: 12,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.07 : 13,810.02 = 8,895.80 : x
  2. Step 2: Convert to fraction form
    10,003.07/13,810.02 = 8,895.80/x
  3. Step 3: Cross multiply
    10,003.07x = 13,810.02 × 8,895.80
  4. Step 4: Simplify right side
    10,003.07x = 122,851,175.92
  5. Step 5: Solve for x
    x = 122,851,175.92/10,003.07
  6. Step 6: Final answer
    x = 12,281.35

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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.