Home / 14,085.36-19,438.10-7,712.22

Finding the Fourth Proportional to 14,085.36, 19,438.10 and 7,712.22

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Solution

The fourth proportional to 14,085.36, 19,438.10 and 7,712.22 is: 10,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.36 : 19,438.10 = 7,712.22 : x
  2. Step 2: Convert to fraction form
    14,085.36/19,438.10 = 7,712.22/x
  3. Step 3: Cross multiply
    14,085.36x = 19,438.10 × 7,712.22
  4. Step 4: Simplify right side
    14,085.36x = 149,910,865.02
  5. Step 5: Solve for x
    x = 149,910,865.02/14,085.36
  6. Step 6: Final answer
    x = 10,643.03

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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.