Home / 9,510.04-13,128.45-6,328.65

Finding the Fourth Proportional to 9,510.04, 13,128.45 and 6,328.65

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Solution

The fourth proportional to 9,510.04, 13,128.45 and 6,328.65 is: 8,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.04 : 13,128.45 = 6,328.65 : x
  2. Step 2: Convert to fraction form
    9,510.04/13,128.45 = 6,328.65/x
  3. Step 3: Cross multiply
    9,510.04x = 13,128.45 × 6,328.65
  4. Step 4: Simplify right side
    9,510.04x = 83,085,299.45
  5. Step 5: Solve for x
    x = 83,085,299.45/9,510.04
  6. Step 6: Final answer
    x = 8,736.59

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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.