Home / 17,928.48-24,740.16-9,970.24

Finding the Fourth Proportional to 17,928.48, 24,740.16 and 9,970.24

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Solution

The fourth proportional to 17,928.48, 24,740.16 and 9,970.24 is: 13,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.48 : 24,740.16 = 9,970.24 : x
  2. Step 2: Convert to fraction form
    17,928.48/24,740.16 = 9,970.24/x
  3. Step 3: Cross multiply
    17,928.48x = 24,740.16 × 9,970.24
  4. Step 4: Simplify right side
    17,928.48x = 246,665,332.84
  5. Step 5: Solve for x
    x = 246,665,332.84/17,928.48
  6. Step 6: Final answer
    x = 13,758.30

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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.