Home / 14,089.16-19,445.27-8,428.33

Finding the Fourth Proportional to 14,089.16, 19,445.27 and 8,428.33

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Solution

The fourth proportional to 14,089.16, 19,445.27 and 8,428.33 is: 11,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.16 : 19,445.27 = 8,428.33 : x
  2. Step 2: Convert to fraction form
    14,089.16/19,445.27 = 8,428.33/x
  3. Step 3: Cross multiply
    14,089.16x = 19,445.27 × 8,428.33
  4. Step 4: Simplify right side
    14,089.16x = 163,891,013.13
  5. Step 5: Solve for x
    x = 163,891,013.13/14,089.16
  6. Step 6: Final answer
    x = 11,632.42

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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.