Home / 15,296.80-21,113.58-9,332.50

Finding the Fourth Proportional to 15,296.80, 21,113.58 and 9,332.50

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Solution

The fourth proportional to 15,296.80, 21,113.58 and 9,332.50 is: 12,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.80 : 21,113.58 = 9,332.50 : x
  2. Step 2: Convert to fraction form
    15,296.80/21,113.58 = 9,332.50/x
  3. Step 3: Cross multiply
    15,296.80x = 21,113.58 × 9,332.50
  4. Step 4: Simplify right side
    15,296.80x = 197,042,485.35
  5. Step 5: Solve for x
    x = 197,042,485.35/15,296.80
  6. Step 6: Final answer
    x = 12,881.29

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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.