Home / 21,595.35-29,802.07-12,036.22

Finding the Fourth Proportional to 21,595.35, 29,802.07 and 12,036.22

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Solution

The fourth proportional to 21,595.35, 29,802.07 and 12,036.22 is: 16,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.35 : 29,802.07 = 12,036.22 : x
  2. Step 2: Convert to fraction form
    21,595.35/29,802.07 = 12,036.22/x
  3. Step 3: Cross multiply
    21,595.35x = 29,802.07 × 12,036.22
  4. Step 4: Simplify right side
    21,595.35x = 358,704,211.52
  5. Step 5: Solve for x
    x = 358,704,211.52/21,595.35
  6. Step 6: Final answer
    x = 16,610.25

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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.