Home / 19,699.64-27,185.63-10,747.20

Finding the Fourth Proportional to 19,699.64, 27,185.63 and 10,747.20

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Solution

The fourth proportional to 19,699.64, 27,185.63 and 10,747.20 is: 14,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.64 : 27,185.63 = 10,747.20 : x
  2. Step 2: Convert to fraction form
    19,699.64/27,185.63 = 10,747.20/x
  3. Step 3: Cross multiply
    19,699.64x = 27,185.63 × 10,747.20
  4. Step 4: Simplify right side
    19,699.64x = 292,169,402.74
  5. Step 5: Solve for x
    x = 292,169,402.74/19,699.64
  6. Step 6: Final answer
    x = 14,831.21

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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.