Home / 14,400.03-19,871.95-8,114.43

Finding the Fourth Proportional to 14,400.03, 19,871.95 and 8,114.43

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Solution

The fourth proportional to 14,400.03, 19,871.95 and 8,114.43 is: 11,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.03 : 19,871.95 = 8,114.43 : x
  2. Step 2: Convert to fraction form
    14,400.03/19,871.95 = 8,114.43/x
  3. Step 3: Cross multiply
    14,400.03x = 19,871.95 × 8,114.43
  4. Step 4: Simplify right side
    14,400.03x = 161,249,547.24
  5. Step 5: Solve for x
    x = 161,249,547.24/14,400.03
  6. Step 6: Final answer
    x = 11,197.86

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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.