Home / 16,639.95-22,957.61-10,977.51

Finding the Fourth Proportional to 16,639.95, 22,957.61 and 10,977.51

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Solution

The fourth proportional to 16,639.95, 22,957.61 and 10,977.51 is: 15,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.95 : 22,957.61 = 10,977.51 : x
  2. Step 2: Convert to fraction form
    16,639.95/22,957.61 = 10,977.51/x
  3. Step 3: Cross multiply
    16,639.95x = 22,957.61 × 10,977.51
  4. Step 4: Simplify right side
    16,639.95x = 252,017,393.35
  5. Step 5: Solve for x
    x = 252,017,393.35/16,639.95
  6. Step 6: Final answer
    x = 15,145.32

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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.