Home / 25,693.76-38,539.89-11,643.63

Finding the Fourth Proportional to 25,693.76, 38,539.89 and 11,643.63

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Solution

The fourth proportional to 25,693.76, 38,539.89 and 11,643.63 is: 17,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.76 : 38,539.89 = 11,643.63 : x
  2. Step 2: Convert to fraction form
    25,693.76/38,539.89 = 11,643.63/x
  3. Step 3: Cross multiply
    25,693.76x = 38,539.89 × 11,643.63
  4. Step 4: Simplify right side
    25,693.76x = 448,744,219.40
  5. Step 5: Solve for x
    x = 448,744,219.40/25,693.76
  6. Step 6: Final answer
    x = 17,465.11

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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.