Home / 15,301.01-21,113.37-8,586.63

Finding the Fourth Proportional to 15,301.01, 21,113.37 and 8,586.63

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Solution

The fourth proportional to 15,301.01, 21,113.37 and 8,586.63 is: 11,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.01 : 21,113.37 = 8,586.63 : x
  2. Step 2: Convert to fraction form
    15,301.01/21,113.37 = 8,586.63/x
  3. Step 3: Cross multiply
    15,301.01x = 21,113.37 × 8,586.63
  4. Step 4: Simplify right side
    15,301.01x = 181,292,696.24
  5. Step 5: Solve for x
    x = 181,292,696.24/15,301.01
  6. Step 6: Final answer
    x = 11,848.42

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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.