Home / 9,510.39-13,124.30-5,318.67

Finding the Fourth Proportional to 9,510.39, 13,124.30 and 5,318.67

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Solution

The fourth proportional to 9,510.39, 13,124.30 and 5,318.67 is: 7,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.39 : 13,124.30 = 5,318.67 : x
  2. Step 2: Convert to fraction form
    9,510.39/13,124.30 = 5,318.67/x
  3. Step 3: Cross multiply
    9,510.39x = 13,124.30 × 5,318.67
  4. Step 4: Simplify right side
    9,510.39x = 69,803,794.09
  5. Step 5: Solve for x
    x = 69,803,794.09/9,510.39
  6. Step 6: Final answer
    x = 7,339.74

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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.