Home / 15,269.94-23,008.93-12,557.37

Finding the Fourth Proportional to 15,269.94, 23,008.93 and 12,557.37

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Solution

The fourth proportional to 15,269.94, 23,008.93 and 12,557.37 is: 18,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.94 : 23,008.93 = 12,557.37 : x
  2. Step 2: Convert to fraction form
    15,269.94/23,008.93 = 12,557.37/x
  3. Step 3: Cross multiply
    15,269.94x = 23,008.93 × 12,557.37
  4. Step 4: Simplify right side
    15,269.94x = 288,931,584.53
  5. Step 5: Solve for x
    x = 288,931,584.53/15,269.94
  6. Step 6: Final answer
    x = 18,921.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.