Home / 14,854.64-20,521.66-9,762.28

Finding the Fourth Proportional to 14,854.64, 20,521.66 and 9,762.28

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Solution

The fourth proportional to 14,854.64, 20,521.66 and 9,762.28 is: 13,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.64 : 20,521.66 = 9,762.28 : x
  2. Step 2: Convert to fraction form
    14,854.64/20,521.66 = 9,762.28/x
  3. Step 3: Cross multiply
    14,854.64x = 20,521.66 × 9,762.28
  4. Step 4: Simplify right side
    14,854.64x = 200,338,190.98
  5. Step 5: Solve for x
    x = 200,338,190.98/14,854.64
  6. Step 6: Final answer
    x = 13,486.57

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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.