Home / 19,417.72-26,792.84-10,918.74

Finding the Fourth Proportional to 19,417.72, 26,792.84 and 10,918.74

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Solution

The fourth proportional to 19,417.72, 26,792.84 and 10,918.74 is: 15,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.72 : 26,792.84 = 10,918.74 : x
  2. Step 2: Convert to fraction form
    19,417.72/26,792.84 = 10,918.74/x
  3. Step 3: Cross multiply
    19,417.72x = 26,792.84 × 10,918.74
  4. Step 4: Simplify right side
    19,417.72x = 292,544,053.82
  5. Step 5: Solve for x
    x = 292,544,053.82/19,417.72
  6. Step 6: Final answer
    x = 15,065.83

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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.