Home / 25,113.47-34,656.84-13,783.70

Finding the Fourth Proportional to 25,113.47, 34,656.84 and 13,783.70

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Solution

The fourth proportional to 25,113.47, 34,656.84 and 13,783.70 is: 19,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.47 : 34,656.84 = 13,783.70 : x
  2. Step 2: Convert to fraction form
    25,113.47/34,656.84 = 13,783.70/x
  3. Step 3: Cross multiply
    25,113.47x = 34,656.84 × 13,783.70
  4. Step 4: Simplify right side
    25,113.47x = 477,699,572.15
  5. Step 5: Solve for x
    x = 477,699,572.15/25,113.47
  6. Step 6: Final answer
    x = 19,021.65

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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.