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Finding the Fourth Proportional to 9,555.40, 14,344.80 and 6,045.40

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Solution

The fourth proportional to 9,555.40, 14,344.80 and 6,045.40 is: 9,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.40 : 14,344.80 = 6,045.40 : x
  2. Step 2: Convert to fraction form
    9,555.40/14,344.80 = 6,045.40/x
  3. Step 3: Cross multiply
    9,555.40x = 14,344.80 × 6,045.40
  4. Step 4: Simplify right side
    9,555.40x = 86,720,053.92
  5. Step 5: Solve for x
    x = 86,720,053.92/9,555.40
  6. Step 6: Final answer
    x = 9,075.50

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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.