Home / 15,436.75-21,280.84-10,970.73

Finding the Fourth Proportional to 15,436.75, 21,280.84 and 10,970.73

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Solution

The fourth proportional to 15,436.75, 21,280.84 and 10,970.73 is: 15,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.75 : 21,280.84 = 10,970.73 : x
  2. Step 2: Convert to fraction form
    15,436.75/21,280.84 = 10,970.73/x
  3. Step 3: Cross multiply
    15,436.75x = 21,280.84 × 10,970.73
  4. Step 4: Simplify right side
    15,436.75x = 233,466,349.81
  5. Step 5: Solve for x
    x = 233,466,349.81/15,436.75
  6. Step 6: Final answer
    x = 15,124.06

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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.