Home / 15,441.95-21,311.77-10,070.13

Finding the Fourth Proportional to 15,441.95, 21,311.77 and 10,070.13

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Solution

The fourth proportional to 15,441.95, 21,311.77 and 10,070.13 is: 13,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.95 : 21,311.77 = 10,070.13 : x
  2. Step 2: Convert to fraction form
    15,441.95/21,311.77 = 10,070.13/x
  3. Step 3: Cross multiply
    15,441.95x = 21,311.77 × 10,070.13
  4. Step 4: Simplify right side
    15,441.95x = 214,612,294.43
  5. Step 5: Solve for x
    x = 214,612,294.43/15,441.95
  6. Step 6: Final answer
    x = 13,898.00

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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.