Home / 21,502.13-29,673.47-12,071.57

Finding the Fourth Proportional to 21,502.13, 29,673.47 and 12,071.57

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Solution

The fourth proportional to 21,502.13, 29,673.47 and 12,071.57 is: 16,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.13 : 29,673.47 = 12,071.57 : x
  2. Step 2: Convert to fraction form
    21,502.13/29,673.47 = 12,071.57/x
  3. Step 3: Cross multiply
    21,502.13x = 29,673.47 × 12,071.57
  4. Step 4: Simplify right side
    21,502.13x = 358,205,384.07
  5. Step 5: Solve for x
    x = 358,205,384.07/21,502.13
  6. Step 6: Final answer
    x = 16,659.06

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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.