Home / 9,370.40-14,064.70-7,312.80

Finding the Fourth Proportional to 9,370.40, 14,064.70 and 7,312.80

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Solution

The fourth proportional to 9,370.40, 14,064.70 and 7,312.80 is: 10,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.40 : 14,064.70 = 7,312.80 : x
  2. Step 2: Convert to fraction form
    9,370.40/14,064.70 = 7,312.80/x
  3. Step 3: Cross multiply
    9,370.40x = 14,064.70 × 7,312.80
  4. Step 4: Simplify right side
    9,370.40x = 102,852,338.16
  5. Step 5: Solve for x
    x = 102,852,338.16/9,370.40
  6. Step 6: Final answer
    x = 10,976.30

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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.