Home / 14,008.16-19,328.24-8,038.56

Finding the Fourth Proportional to 14,008.16, 19,328.24 and 8,038.56

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Solution

The fourth proportional to 14,008.16, 19,328.24 and 8,038.56 is: 11,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.16 : 19,328.24 = 8,038.56 : x
  2. Step 2: Convert to fraction form
    14,008.16/19,328.24 = 8,038.56/x
  3. Step 3: Cross multiply
    14,008.16x = 19,328.24 × 8,038.56
  4. Step 4: Simplify right side
    14,008.16x = 155,371,216.93
  5. Step 5: Solve for x
    x = 155,371,216.93/14,008.16
  6. Step 6: Final answer
    x = 11,091.48

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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.