Home / 14,184.48-21,256.56-10,457.40

Finding the Fourth Proportional to 14,184.48, 21,256.56 and 10,457.40

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Solution

The fourth proportional to 14,184.48, 21,256.56 and 10,457.40 is: 15,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.48 : 21,256.56 = 10,457.40 : x
  2. Step 2: Convert to fraction form
    14,184.48/21,256.56 = 10,457.40/x
  3. Step 3: Cross multiply
    14,184.48x = 21,256.56 × 10,457.40
  4. Step 4: Simplify right side
    14,184.48x = 222,288,350.54
  5. Step 5: Solve for x
    x = 222,288,350.54/14,184.48
  6. Step 6: Final answer
    x = 15,671.24

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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.