Home / 15,354.36-21,194.16-10,316.88

Finding the Fourth Proportional to 15,354.36, 21,194.16 and 10,316.88

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Solution

The fourth proportional to 15,354.36, 21,194.16 and 10,316.88 is: 14,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.36 : 21,194.16 = 10,316.88 : x
  2. Step 2: Convert to fraction form
    15,354.36/21,194.16 = 10,316.88/x
  3. Step 3: Cross multiply
    15,354.36x = 21,194.16 × 10,316.88
  4. Step 4: Simplify right side
    15,354.36x = 218,657,605.42
  5. Step 5: Solve for x
    x = 218,657,605.42/15,354.36
  6. Step 6: Final answer
    x = 14,240.75

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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.