Home / 9,845.80-13,587.08-5,369.45

Finding the Fourth Proportional to 9,845.80, 13,587.08 and 5,369.45

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Solution

The fourth proportional to 9,845.80, 13,587.08 and 5,369.45 is: 7,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.80 : 13,587.08 = 5,369.45 : x
  2. Step 2: Convert to fraction form
    9,845.80/13,587.08 = 5,369.45/x
  3. Step 3: Cross multiply
    9,845.80x = 13,587.08 × 5,369.45
  4. Step 4: Simplify right side
    9,845.80x = 72,955,051.92
  5. Step 5: Solve for x
    x = 72,955,051.92/9,845.80
  6. Step 6: Final answer
    x = 7,409.77

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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.