Home / 16,826.64-23,220.80-10,112.40

Finding the Fourth Proportional to 16,826.64, 23,220.80 and 10,112.40

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Solution

The fourth proportional to 16,826.64, 23,220.80 and 10,112.40 is: 13,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.64 : 23,220.80 = 10,112.40 : x
  2. Step 2: Convert to fraction form
    16,826.64/23,220.80 = 10,112.40/x
  3. Step 3: Cross multiply
    16,826.64x = 23,220.80 × 10,112.40
  4. Step 4: Simplify right side
    16,826.64x = 234,818,017.92
  5. Step 5: Solve for x
    x = 234,818,017.92/16,826.64
  6. Step 6: Final answer
    x = 13,955.13

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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.