Home / 14,129.85-19,488.63-9,646.50

Finding the Fourth Proportional to 14,129.85, 19,488.63 and 9,646.50

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Solution

The fourth proportional to 14,129.85, 19,488.63 and 9,646.50 is: 13,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.85 : 19,488.63 = 9,646.50 : x
  2. Step 2: Convert to fraction form
    14,129.85/19,488.63 = 9,646.50/x
  3. Step 3: Cross multiply
    14,129.85x = 19,488.63 × 9,646.50
  4. Step 4: Simplify right side
    14,129.85x = 187,997,069.30
  5. Step 5: Solve for x
    x = 187,997,069.30/14,129.85
  6. Step 6: Final answer
    x = 13,304.96

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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.