Home / 19,862.34-29,779.10-9,326.94

Finding the Fourth Proportional to 19,862.34, 29,779.10 and 9,326.94

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Solution

The fourth proportional to 19,862.34, 29,779.10 and 9,326.94 is: 13,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.34 : 29,779.10 = 9,326.94 : x
  2. Step 2: Convert to fraction form
    19,862.34/29,779.10 = 9,326.94/x
  3. Step 3: Cross multiply
    19,862.34x = 29,779.10 × 9,326.94
  4. Step 4: Simplify right side
    19,862.34x = 277,747,878.95
  5. Step 5: Solve for x
    x = 277,747,878.95/19,862.34
  6. Step 6: Final answer
    x = 13,983.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.