Home / 15,301.52-21,117.54-8,927.63

Finding the Fourth Proportional to 15,301.52, 21,117.54 and 8,927.63

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Solution

The fourth proportional to 15,301.52, 21,117.54 and 8,927.63 is: 12,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.52 : 21,117.54 = 8,927.63 : x
  2. Step 2: Convert to fraction form
    15,301.52/21,117.54 = 8,927.63/x
  3. Step 3: Cross multiply
    15,301.52x = 21,117.54 × 8,927.63
  4. Step 4: Simplify right side
    15,301.52x = 188,529,583.63
  5. Step 5: Solve for x
    x = 188,529,583.63/15,301.52
  6. Step 6: Final answer
    x = 12,320.97

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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.