Home / 9,365.40-14,015.70-8,587.80

Finding the Fourth Proportional to 9,365.40, 14,015.70 and 8,587.80

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Solution

The fourth proportional to 9,365.40, 14,015.70 and 8,587.80 is: 12,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.40 : 14,015.70 = 8,587.80 : x
  2. Step 2: Convert to fraction form
    9,365.40/14,015.70 = 8,587.80/x
  3. Step 3: Cross multiply
    9,365.40x = 14,015.70 × 8,587.80
  4. Step 4: Simplify right side
    9,365.40x = 120,364,028.46
  5. Step 5: Solve for x
    x = 120,364,028.46/9,365.40
  6. Step 6: Final answer
    x = 12,851.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.