Home / 19,962.90-27,547.82-12,003.59

Finding the Fourth Proportional to 19,962.90, 27,547.82 and 12,003.59

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Solution

The fourth proportional to 19,962.90, 27,547.82 and 12,003.59 is: 16,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.90 : 27,547.82 = 12,003.59 : x
  2. Step 2: Convert to fraction form
    19,962.90/27,547.82 = 12,003.59/x
  3. Step 3: Cross multiply
    19,962.90x = 27,547.82 × 12,003.59
  4. Step 4: Simplify right side
    19,962.90x = 330,672,538.92
  5. Step 5: Solve for x
    x = 330,672,538.92/19,962.90
  6. Step 6: Final answer
    x = 16,564.35

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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.