Home / 22,795.36-31,457.28-13,364.80

Finding the Fourth Proportional to 22,795.36, 31,457.28 and 13,364.80

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Solution

The fourth proportional to 22,795.36, 31,457.28 and 13,364.80 is: 18,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.36 : 31,457.28 = 13,364.80 : x
  2. Step 2: Convert to fraction form
    22,795.36/31,457.28 = 13,364.80/x
  3. Step 3: Cross multiply
    22,795.36x = 31,457.28 × 13,364.80
  4. Step 4: Simplify right side
    22,795.36x = 420,420,255.74
  5. Step 5: Solve for x
    x = 420,420,255.74/22,795.36
  6. Step 6: Final answer
    x = 18,443.24

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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.