Home / 9,509.40-14,259.78-3,959.45

Finding the Fourth Proportional to 9,509.40, 14,259.78 and 3,959.45

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Solution

The fourth proportional to 9,509.40, 14,259.78 and 3,959.45 is: 5,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.40 : 14,259.78 = 3,959.45 : x
  2. Step 2: Convert to fraction form
    9,509.40/14,259.78 = 3,959.45/x
  3. Step 3: Cross multiply
    9,509.40x = 14,259.78 × 3,959.45
  4. Step 4: Simplify right side
    9,509.40x = 56,460,868.10
  5. Step 5: Solve for x
    x = 56,460,868.10/9,509.40
  6. Step 6: Final answer
    x = 5,937.37

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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.