Home / 19,820.99-27,347.28-13,104.17

Finding the Fourth Proportional to 19,820.99, 27,347.28 and 13,104.17

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Solution

The fourth proportional to 19,820.99, 27,347.28 and 13,104.17 is: 18,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.99 : 27,347.28 = 13,104.17 : x
  2. Step 2: Convert to fraction form
    19,820.99/27,347.28 = 13,104.17/x
  3. Step 3: Cross multiply
    19,820.99x = 27,347.28 × 13,104.17
  4. Step 4: Simplify right side
    19,820.99x = 358,363,406.16
  5. Step 5: Solve for x
    x = 358,363,406.16/19,820.99
  6. Step 6: Final answer
    x = 18,080.00

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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.