Home / 10,133.80-14,050.99-9,615.40

Finding the Fourth Proportional to 10,133.80, 14,050.99 and 9,615.40

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Solution

The fourth proportional to 10,133.80, 14,050.99 and 9,615.40 is: 13,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.80 : 14,050.99 = 9,615.40 : x
  2. Step 2: Convert to fraction form
    10,133.80/14,050.99 = 9,615.40/x
  3. Step 3: Cross multiply
    10,133.80x = 14,050.99 × 9,615.40
  4. Step 4: Simplify right side
    10,133.80x = 135,105,889.25
  5. Step 5: Solve for x
    x = 135,105,889.25/10,133.80
  6. Step 6: Final answer
    x = 13,332.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.