Home / 19,820.28-27,354.98-12,653.26

Finding the Fourth Proportional to 19,820.28, 27,354.98 and 12,653.26

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Solution

The fourth proportional to 19,820.28, 27,354.98 and 12,653.26 is: 17,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.28 : 27,354.98 = 12,653.26 : x
  2. Step 2: Convert to fraction form
    19,820.28/27,354.98 = 12,653.26/x
  3. Step 3: Cross multiply
    19,820.28x = 27,354.98 × 12,653.26
  4. Step 4: Simplify right side
    19,820.28x = 346,129,674.23
  5. Step 5: Solve for x
    x = 346,129,674.23/19,820.28
  6. Step 6: Final answer
    x = 17,463.41

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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.