Home / 21,350.03-29,465.63-12,397.53

Finding the Fourth Proportional to 21,350.03, 29,465.63 and 12,397.53

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Solution

The fourth proportional to 21,350.03, 29,465.63 and 12,397.53 is: 17,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.03 : 29,465.63 = 12,397.53 : x
  2. Step 2: Convert to fraction form
    21,350.03/29,465.63 = 12,397.53/x
  3. Step 3: Cross multiply
    21,350.03x = 29,465.63 × 12,397.53
  4. Step 4: Simplify right side
    21,350.03x = 365,301,031.89
  5. Step 5: Solve for x
    x = 365,301,031.89/21,350.03
  6. Step 6: Final answer
    x = 17,110.09

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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.