Home / 9,688.50-14,509.35-5,515.85

Finding the Fourth Proportional to 9,688.50, 14,509.35 and 5,515.85

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Solution

The fourth proportional to 9,688.50, 14,509.35 and 5,515.85 is: 8,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.50 : 14,509.35 = 5,515.85 : x
  2. Step 2: Convert to fraction form
    9,688.50/14,509.35 = 5,515.85/x
  3. Step 3: Cross multiply
    9,688.50x = 14,509.35 × 5,515.85
  4. Step 4: Simplify right side
    9,688.50x = 80,031,434.47
  5. Step 5: Solve for x
    x = 80,031,434.47/9,688.50
  6. Step 6: Final answer
    x = 8,260.46

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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.