Home / 14,176.80-21,371.40-13,225.32

Finding the Fourth Proportional to 14,176.80, 21,371.40 and 13,225.32

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Solution

The fourth proportional to 14,176.80, 21,371.40 and 13,225.32 is: 19,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.80 : 21,371.40 = 13,225.32 : x
  2. Step 2: Convert to fraction form
    14,176.80/21,371.40 = 13,225.32/x
  3. Step 3: Cross multiply
    14,176.80x = 21,371.40 × 13,225.32
  4. Step 4: Simplify right side
    14,176.80x = 282,643,603.85
  5. Step 5: Solve for x
    x = 282,643,603.85/14,176.80
  6. Step 6: Final answer
    x = 19,937.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.