Home / 18,840.72-26,000.10-10,457.22

Finding the Fourth Proportional to 18,840.72, 26,000.10 and 10,457.22

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Solution

The fourth proportional to 18,840.72, 26,000.10 and 10,457.22 is: 14,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.72 : 26,000.10 = 10,457.22 : x
  2. Step 2: Convert to fraction form
    18,840.72/26,000.10 = 10,457.22/x
  3. Step 3: Cross multiply
    18,840.72x = 26,000.10 × 10,457.22
  4. Step 4: Simplify right side
    18,840.72x = 271,888,765.72
  5. Step 5: Solve for x
    x = 271,888,765.72/18,840.72
  6. Step 6: Final answer
    x = 14,430.91

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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.