Home / 14,050.82-19,389.90-7,677.20

Finding the Fourth Proportional to 14,050.82, 19,389.90 and 7,677.20

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Solution

The fourth proportional to 14,050.82, 19,389.90 and 7,677.20 is: 10,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.82 : 19,389.90 = 7,677.20 : x
  2. Step 2: Convert to fraction form
    14,050.82/19,389.90 = 7,677.20/x
  3. Step 3: Cross multiply
    14,050.82x = 19,389.90 × 7,677.20
  4. Step 4: Simplify right side
    14,050.82x = 148,860,140.28
  5. Step 5: Solve for x
    x = 148,860,140.28/14,050.82
  6. Step 6: Final answer
    x = 10,594.41

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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.