Home / 14,281.01-21,435.35-6,890.66

Finding the Fourth Proportional to 14,281.01, 21,435.35 and 6,890.66

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Solution

The fourth proportional to 14,281.01, 21,435.35 and 6,890.66 is: 10,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.01 : 21,435.35 = 6,890.66 : x
  2. Step 2: Convert to fraction form
    14,281.01/21,435.35 = 6,890.66/x
  3. Step 3: Cross multiply
    14,281.01x = 21,435.35 × 6,890.66
  4. Step 4: Simplify right side
    14,281.01x = 147,703,567.20
  5. Step 5: Solve for x
    x = 147,703,567.20/14,281.01
  6. Step 6: Final answer
    x = 10,342.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.