Home / 25,783.61-38,679.13-9,779.04

Finding the Fourth Proportional to 25,783.61, 38,679.13 and 9,779.04

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Solution

The fourth proportional to 25,783.61, 38,679.13 and 9,779.04 is: 14,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.61 : 38,679.13 = 9,779.04 : x
  2. Step 2: Convert to fraction form
    25,783.61/38,679.13 = 9,779.04/x
  3. Step 3: Cross multiply
    25,783.61x = 38,679.13 × 9,779.04
  4. Step 4: Simplify right side
    25,783.61x = 378,244,734.99
  5. Step 5: Solve for x
    x = 378,244,734.99/25,783.61
  6. Step 6: Final answer
    x = 14,669.97

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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.