Home / 13,348.16-19,999.20-9,840.32

Finding the Fourth Proportional to 13,348.16, 19,999.20 and 9,840.32

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Solution

The fourth proportional to 13,348.16, 19,999.20 and 9,840.32 is: 14,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.16 : 19,999.20 = 9,840.32 : x
  2. Step 2: Convert to fraction form
    13,348.16/19,999.20 = 9,840.32/x
  3. Step 3: Cross multiply
    13,348.16x = 19,999.20 × 9,840.32
  4. Step 4: Simplify right side
    13,348.16x = 196,798,527.74
  5. Step 5: Solve for x
    x = 196,798,527.74/13,348.16
  6. Step 6: Final answer
    x = 14,743.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.