Home / 10,788.55-14,893.15-6,965.79

Finding the Fourth Proportional to 10,788.55, 14,893.15 and 6,965.79

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Solution

The fourth proportional to 10,788.55, 14,893.15 and 6,965.79 is: 9,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.55 : 14,893.15 = 6,965.79 : x
  2. Step 2: Convert to fraction form
    10,788.55/14,893.15 = 6,965.79/x
  3. Step 3: Cross multiply
    10,788.55x = 14,893.15 × 6,965.79
  4. Step 4: Simplify right side
    10,788.55x = 103,742,590.89
  5. Step 5: Solve for x
    x = 103,742,590.89/10,788.55
  6. Step 6: Final answer
    x = 9,615.99

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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.