Home / 15,373.70-21,207.93-11,835.62

Finding the Fourth Proportional to 15,373.70, 21,207.93 and 11,835.62

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Solution

The fourth proportional to 15,373.70, 21,207.93 and 11,835.62 is: 16,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.70 : 21,207.93 = 11,835.62 : x
  2. Step 2: Convert to fraction form
    15,373.70/21,207.93 = 11,835.62/x
  3. Step 3: Cross multiply
    15,373.70x = 21,207.93 × 11,835.62
  4. Step 4: Simplify right side
    15,373.70x = 251,009,000.47
  5. Step 5: Solve for x
    x = 251,009,000.47/15,373.70
  6. Step 6: Final answer
    x = 16,327.17

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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.