Home / 14,256.28-21,388.76-10,104.32

Finding the Fourth Proportional to 14,256.28, 21,388.76 and 10,104.32

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Solution

The fourth proportional to 14,256.28, 21,388.76 and 10,104.32 is: 15,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.28 : 21,388.76 = 10,104.32 : x
  2. Step 2: Convert to fraction form
    14,256.28/21,388.76 = 10,104.32/x
  3. Step 3: Cross multiply
    14,256.28x = 21,388.76 × 10,104.32
  4. Step 4: Simplify right side
    14,256.28x = 216,118,875.44
  5. Step 5: Solve for x
    x = 216,118,875.44/14,256.28
  6. Step 6: Final answer
    x = 15,159.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.