Home / 13,325.57-19,904.45-9,784.25

Finding the Fourth Proportional to 13,325.57, 19,904.45 and 9,784.25

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Solution

The fourth proportional to 13,325.57, 19,904.45 and 9,784.25 is: 14,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.57 : 19,904.45 = 9,784.25 : x
  2. Step 2: Convert to fraction form
    13,325.57/19,904.45 = 9,784.25/x
  3. Step 3: Cross multiply
    13,325.57x = 19,904.45 × 9,784.25
  4. Step 4: Simplify right side
    13,325.57x = 194,750,003.16
  5. Step 5: Solve for x
    x = 194,750,003.16/13,325.57
  6. Step 6: Final answer
    x = 14,614.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.