Home / 14,903.37-20,570.04-9,867.78

Finding the Fourth Proportional to 14,903.37, 20,570.04 and 9,867.78

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Solution

The fourth proportional to 14,903.37, 20,570.04 and 9,867.78 is: 13,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.37 : 20,570.04 = 9,867.78 : x
  2. Step 2: Convert to fraction form
    14,903.37/20,570.04 = 9,867.78/x
  3. Step 3: Cross multiply
    14,903.37x = 20,570.04 × 9,867.78
  4. Step 4: Simplify right side
    14,903.37x = 202,980,629.31
  5. Step 5: Solve for x
    x = 202,980,629.31/14,903.37
  6. Step 6: Final answer
    x = 13,619.78

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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.