Home / 15,397.63-21,248.24-8,683.16

Finding the Fourth Proportional to 15,397.63, 21,248.24 and 8,683.16

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Solution

The fourth proportional to 15,397.63, 21,248.24 and 8,683.16 is: 11,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.63 : 21,248.24 = 8,683.16 : x
  2. Step 2: Convert to fraction form
    15,397.63/21,248.24 = 8,683.16/x
  3. Step 3: Cross multiply
    15,397.63x = 21,248.24 × 8,683.16
  4. Step 4: Simplify right side
    15,397.63x = 184,501,717.98
  5. Step 5: Solve for x
    x = 184,501,717.98/15,397.63
  6. Step 6: Final answer
    x = 11,982.48

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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.