Home / 18,955.20-26,158.06-10,457.22

Finding the Fourth Proportional to 18,955.20, 26,158.06 and 10,457.22

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Solution

The fourth proportional to 18,955.20, 26,158.06 and 10,457.22 is: 14,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.20 : 26,158.06 = 10,457.22 : x
  2. Step 2: Convert to fraction form
    18,955.20/26,158.06 = 10,457.22/x
  3. Step 3: Cross multiply
    18,955.20x = 26,158.06 × 10,457.22
  4. Step 4: Simplify right side
    18,955.20x = 273,540,588.19
  5. Step 5: Solve for x
    x = 273,540,588.19/18,955.20
  6. Step 6: Final answer
    x = 14,430.90

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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.