Home / 25,457.78-38,190.02-9,445.13

Finding the Fourth Proportional to 25,457.78, 38,190.02 and 9,445.13

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Solution

The fourth proportional to 25,457.78, 38,190.02 and 9,445.13 is: 14,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.78 : 38,190.02 = 9,445.13 : x
  2. Step 2: Convert to fraction form
    25,457.78/38,190.02 = 9,445.13/x
  3. Step 3: Cross multiply
    25,457.78x = 38,190.02 × 9,445.13
  4. Step 4: Simplify right side
    25,457.78x = 360,709,796.32
  5. Step 5: Solve for x
    x = 360,709,796.32/25,457.78
  6. Step 6: Final answer
    x = 14,168.94

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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.