Home / 18,840.68-26,000.12-10,457.16

Finding the Fourth Proportional to 18,840.68, 26,000.12 and 10,457.16

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Solution

The fourth proportional to 18,840.68, 26,000.12 and 10,457.16 is: 14,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.68 : 26,000.12 = 10,457.16 : x
  2. Step 2: Convert to fraction form
    18,840.68/26,000.12 = 10,457.16/x
  3. Step 3: Cross multiply
    18,840.68x = 26,000.12 × 10,457.16
  4. Step 4: Simplify right side
    18,840.68x = 271,887,414.86
  5. Step 5: Solve for x
    x = 271,887,414.86/18,840.68
  6. Step 6: Final answer
    x = 14,430.87

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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.