Home / 19,484.65-26,882.37-10,985.71

Finding the Fourth Proportional to 19,484.65, 26,882.37 and 10,985.71

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Solution

The fourth proportional to 19,484.65, 26,882.37 and 10,985.71 is: 15,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.65 : 26,882.37 = 10,985.71 : x
  2. Step 2: Convert to fraction form
    19,484.65/26,882.37 = 10,985.71/x
  3. Step 3: Cross multiply
    19,484.65x = 26,882.37 × 10,985.71
  4. Step 4: Simplify right side
    19,484.65x = 295,321,920.93
  5. Step 5: Solve for x
    x = 295,321,920.93/19,484.65
  6. Step 6: Final answer
    x = 15,156.64

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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.