Home / 18,955.55-26,157.56-10,457.70

Finding the Fourth Proportional to 18,955.55, 26,157.56 and 10,457.70

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Solution

The fourth proportional to 18,955.55, 26,157.56 and 10,457.70 is: 14,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.55 : 26,157.56 = 10,457.70 : x
  2. Step 2: Convert to fraction form
    18,955.55/26,157.56 = 10,457.70/x
  3. Step 3: Cross multiply
    18,955.55x = 26,157.56 × 10,457.70
  4. Step 4: Simplify right side
    18,955.55x = 273,547,862.92
  5. Step 5: Solve for x
    x = 273,547,862.92/18,955.55
  6. Step 6: Final answer
    x = 14,431.02

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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.