Home / 15,826.80-23,711.40-9,663.60

Finding the Fourth Proportional to 15,826.80, 23,711.40 and 9,663.60

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Solution

The fourth proportional to 15,826.80, 23,711.40 and 9,663.60 is: 14,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.80 : 23,711.40 = 9,663.60 : x
  2. Step 2: Convert to fraction form
    15,826.80/23,711.40 = 9,663.60/x
  3. Step 3: Cross multiply
    15,826.80x = 23,711.40 × 9,663.60
  4. Step 4: Simplify right side
    15,826.80x = 229,137,485.04
  5. Step 5: Solve for x
    x = 229,137,485.04/15,826.80
  6. Step 6: Final answer
    x = 14,477.82

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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.