Home / 15,117.74-22,660.95-10,947.32

Finding the Fourth Proportional to 15,117.74, 22,660.95 and 10,947.32

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Solution

The fourth proportional to 15,117.74, 22,660.95 and 10,947.32 is: 16,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.74 : 22,660.95 = 10,947.32 : x
  2. Step 2: Convert to fraction form
    15,117.74/22,660.95 = 10,947.32/x
  3. Step 3: Cross multiply
    15,117.74x = 22,660.95 × 10,947.32
  4. Step 4: Simplify right side
    15,117.74x = 248,076,671.15
  5. Step 5: Solve for x
    x = 248,076,671.15/15,117.74
  6. Step 6: Final answer
    x = 16,409.64

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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.