Home / 15,988.32-23,980.14-11,567.07

Finding the Fourth Proportional to 15,988.32, 23,980.14 and 11,567.07

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Solution

The fourth proportional to 15,988.32, 23,980.14 and 11,567.07 is: 17,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.32 : 23,980.14 = 11,567.07 : x
  2. Step 2: Convert to fraction form
    15,988.32/23,980.14 = 11,567.07/x
  3. Step 3: Cross multiply
    15,988.32x = 23,980.14 × 11,567.07
  4. Step 4: Simplify right side
    15,988.32x = 277,379,957.99
  5. Step 5: Solve for x
    x = 277,379,957.99/15,988.32
  6. Step 6: Final answer
    x = 17,348.91

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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.