Home / 21,495.47-29,663.65-12,064.01

Finding the Fourth Proportional to 21,495.47, 29,663.65 and 12,064.01

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Solution

The fourth proportional to 21,495.47, 29,663.65 and 12,064.01 is: 16,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.47 : 29,663.65 = 12,064.01 : x
  2. Step 2: Convert to fraction form
    21,495.47/29,663.65 = 12,064.01/x
  3. Step 3: Cross multiply
    21,495.47x = 29,663.65 × 12,064.01
  4. Step 4: Simplify right side
    21,495.47x = 357,862,570.24
  5. Step 5: Solve for x
    x = 357,862,570.24/21,495.47
  6. Step 6: Final answer
    x = 16,648.28

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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.