Home / 9,510.40-13,124.34-5,318.68

Finding the Fourth Proportional to 9,510.40, 13,124.34 and 5,318.68

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Solution

The fourth proportional to 9,510.40, 13,124.34 and 5,318.68 is: 7,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.40 : 13,124.34 = 5,318.68 : x
  2. Step 2: Convert to fraction form
    9,510.40/13,124.34 = 5,318.68/x
  3. Step 3: Cross multiply
    9,510.40x = 13,124.34 × 5,318.68
  4. Step 4: Simplify right side
    9,510.40x = 69,804,164.67
  5. Step 5: Solve for x
    x = 69,804,164.67/9,510.40
  6. Step 6: Final answer
    x = 7,339.77

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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.