Home / 14,884.81-20,542.07-9,840.26

Finding the Fourth Proportional to 14,884.81, 20,542.07 and 9,840.26

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Solution

The fourth proportional to 14,884.81, 20,542.07 and 9,840.26 is: 13,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.81 : 20,542.07 = 9,840.26 : x
  2. Step 2: Convert to fraction form
    14,884.81/20,542.07 = 9,840.26/x
  3. Step 3: Cross multiply
    14,884.81x = 20,542.07 × 9,840.26
  4. Step 4: Simplify right side
    14,884.81x = 202,139,385.69
  5. Step 5: Solve for x
    x = 202,139,385.69/14,884.81
  6. Step 6: Final answer
    x = 13,580.25

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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.