Home / 14,442.46-19,931.93-8,775.90

Finding the Fourth Proportional to 14,442.46, 19,931.93 and 8,775.90

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Solution

The fourth proportional to 14,442.46, 19,931.93 and 8,775.90 is: 12,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.46 : 19,931.93 = 8,775.90 : x
  2. Step 2: Convert to fraction form
    14,442.46/19,931.93 = 8,775.90/x
  3. Step 3: Cross multiply
    14,442.46x = 19,931.93 × 8,775.90
  4. Step 4: Simplify right side
    14,442.46x = 174,920,624.49
  5. Step 5: Solve for x
    x = 174,920,624.49/14,442.46
  6. Step 6: Final answer
    x = 12,111.55

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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.