Home / 9,810.21-13,537.80-5,561.67

Finding the Fourth Proportional to 9,810.21, 13,537.80 and 5,561.67

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Solution

The fourth proportional to 9,810.21, 13,537.80 and 5,561.67 is: 7,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.21 : 13,537.80 = 5,561.67 : x
  2. Step 2: Convert to fraction form
    9,810.21/13,537.80 = 5,561.67/x
  3. Step 3: Cross multiply
    9,810.21x = 13,537.80 × 5,561.67
  4. Step 4: Simplify right side
    9,810.21x = 75,292,776.13
  5. Step 5: Solve for x
    x = 75,292,776.13/9,810.21
  6. Step 6: Final answer
    x = 7,674.94

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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.