Home / 19,382.65-26,746.07-10,885.72

Finding the Fourth Proportional to 19,382.65, 26,746.07 and 10,885.72

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Solution

The fourth proportional to 19,382.65, 26,746.07 and 10,885.72 is: 15,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.65 : 26,746.07 = 10,885.72 : x
  2. Step 2: Convert to fraction form
    19,382.65/26,746.07 = 10,885.72/x
  3. Step 3: Cross multiply
    19,382.65x = 26,746.07 × 10,885.72
  4. Step 4: Simplify right side
    19,382.65x = 291,150,229.12
  5. Step 5: Solve for x
    x = 291,150,229.12/19,382.65
  6. Step 6: Final answer
    x = 15,021.18

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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.