Home / 18,969.96-26,153.10-13,297.08

Finding the Fourth Proportional to 18,969.96, 26,153.10 and 13,297.08

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Solution

The fourth proportional to 18,969.96, 26,153.10 and 13,297.08 is: 18,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.96 : 26,153.10 = 13,297.08 : x
  2. Step 2: Convert to fraction form
    18,969.96/26,153.10 = 13,297.08/x
  3. Step 3: Cross multiply
    18,969.96x = 26,153.10 × 13,297.08
  4. Step 4: Simplify right side
    18,969.96x = 347,759,862.95
  5. Step 5: Solve for x
    x = 347,759,862.95/18,969.96
  6. Step 6: Final answer
    x = 18,332.13

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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.