Home / 15,774.95-23,671.12-9,119.63

Finding the Fourth Proportional to 15,774.95, 23,671.12 and 9,119.63

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Solution

The fourth proportional to 15,774.95, 23,671.12 and 9,119.63 is: 13,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.95 : 23,671.12 = 9,119.63 : x
  2. Step 2: Convert to fraction form
    15,774.95/23,671.12 = 9,119.63/x
  3. Step 3: Cross multiply
    15,774.95x = 23,671.12 × 9,119.63
  4. Step 4: Simplify right side
    15,774.95x = 215,871,856.09
  5. Step 5: Solve for x
    x = 215,871,856.09/15,774.95
  6. Step 6: Final answer
    x = 13,684.47

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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.