Home / 13,878.24-19,158.22-8,849.22

Finding the Fourth Proportional to 13,878.24, 19,158.22 and 8,849.22

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Solution

The fourth proportional to 13,878.24, 19,158.22 and 8,849.22 is: 12,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.24 : 19,158.22 = 8,849.22 : x
  2. Step 2: Convert to fraction form
    13,878.24/19,158.22 = 8,849.22/x
  3. Step 3: Cross multiply
    13,878.24x = 19,158.22 × 8,849.22
  4. Step 4: Simplify right side
    13,878.24x = 169,535,242.81
  5. Step 5: Solve for x
    x = 169,535,242.81/13,878.24
  6. Step 6: Final answer
    x = 12,215.91

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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.