Home / 19,717.28-27,210.27-10,765.16

Finding the Fourth Proportional to 19,717.28, 27,210.27 and 10,765.16

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Solution

The fourth proportional to 19,717.28, 27,210.27 and 10,765.16 is: 14,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.28 : 27,210.27 = 10,765.16 : x
  2. Step 2: Convert to fraction form
    19,717.28/27,210.27 = 10,765.16/x
  3. Step 3: Cross multiply
    19,717.28x = 27,210.27 × 10,765.16
  4. Step 4: Simplify right side
    19,717.28x = 292,922,774.14
  5. Step 5: Solve for x
    x = 292,922,774.14/19,717.28
  6. Step 6: Final answer
    x = 14,856.15

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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.