Home / 16,971.39-23,420.54-9,417.53

Finding the Fourth Proportional to 16,971.39, 23,420.54 and 9,417.53

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Solution

The fourth proportional to 16,971.39, 23,420.54 and 9,417.53 is: 12,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.39 : 23,420.54 = 9,417.53 : x
  2. Step 2: Convert to fraction form
    16,971.39/23,420.54 = 9,417.53/x
  3. Step 3: Cross multiply
    16,971.39x = 23,420.54 × 9,417.53
  4. Step 4: Simplify right side
    16,971.39x = 220,563,720.16
  5. Step 5: Solve for x
    x = 220,563,720.16/16,971.39
  6. Step 6: Final answer
    x = 12,996.21

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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.