Home / 14,256.34-19,675.00-8,287.90

Finding the Fourth Proportional to 14,256.34, 19,675.00 and 8,287.90

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Solution

The fourth proportional to 14,256.34, 19,675.00 and 8,287.90 is: 11,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.34 : 19,675.00 = 8,287.90 : x
  2. Step 2: Convert to fraction form
    14,256.34/19,675.00 = 8,287.90/x
  3. Step 3: Cross multiply
    14,256.34x = 19,675.00 × 8,287.90
  4. Step 4: Simplify right side
    14,256.34x = 163,064,504.34
  5. Step 5: Solve for x
    x = 163,064,504.34/14,256.34
  6. Step 6: Final answer
    x = 11,438.04

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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.