Home / 9,804.24-13,528.80-5,555.52

Finding the Fourth Proportional to 9,804.24, 13,528.80 and 5,555.52

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Solution

The fourth proportional to 9,804.24, 13,528.80 and 5,555.52 is: 7,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804.24 : 13,528.80 = 5,555.52 : x
  2. Step 2: Convert to fraction form
    9,804.24/13,528.80 = 5,555.52/x
  3. Step 3: Cross multiply
    9,804.24x = 13,528.80 × 5,555.52
  4. Step 4: Simplify right side
    9,804.24x = 75,159,518.98
  5. Step 5: Solve for x
    x = 75,159,518.98/9,804.24
  6. Step 6: Final answer
    x = 7,666.02

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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.