Home / 10,690.31-14,756.75-9,569.27

Finding the Fourth Proportional to 10,690.31, 14,756.75 and 9,569.27

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Solution

The fourth proportional to 10,690.31, 14,756.75 and 9,569.27 is: 13,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.31 : 14,756.75 = 9,569.27 : x
  2. Step 2: Convert to fraction form
    10,690.31/14,756.75 = 9,569.27/x
  3. Step 3: Cross multiply
    10,690.31x = 14,756.75 × 9,569.27
  4. Step 4: Simplify right side
    10,690.31x = 141,211,277.23
  5. Step 5: Solve for x
    x = 141,211,277.23/10,690.31
  6. Step 6: Final answer
    x = 13,209.28

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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.