Home / 10,341.15-14,256.60-9,290.25

Finding the Fourth Proportional to 10,341.15, 14,256.60 and 9,290.25

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Solution

The fourth proportional to 10,341.15, 14,256.60 and 9,290.25 is: 12,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.15 : 14,256.60 = 9,290.25 : x
  2. Step 2: Convert to fraction form
    10,341.15/14,256.60 = 9,290.25/x
  3. Step 3: Cross multiply
    10,341.15x = 14,256.60 × 9,290.25
  4. Step 4: Simplify right side
    10,341.15x = 132,447,378.15
  5. Step 5: Solve for x
    x = 132,447,378.15/10,341.15
  6. Step 6: Final answer
    x = 12,807.80

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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.