Home / 15,294.46-21,113.77-10,256.84

Finding the Fourth Proportional to 15,294.46, 21,113.77 and 10,256.84

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Solution

The fourth proportional to 15,294.46, 21,113.77 and 10,256.84 is: 14,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.46 : 21,113.77 = 10,256.84 : x
  2. Step 2: Convert to fraction form
    15,294.46/21,113.77 = 10,256.84/x
  3. Step 3: Cross multiply
    15,294.46x = 21,113.77 × 10,256.84
  4. Step 4: Simplify right side
    15,294.46x = 216,560,429.48
  5. Step 5: Solve for x
    x = 216,560,429.48/15,294.46
  6. Step 6: Final answer
    x = 14,159.41

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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.