Home / 14,804.24-20,438.26-9,783.05

Finding the Fourth Proportional to 14,804.24, 20,438.26 and 9,783.05

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Solution

The fourth proportional to 14,804.24, 20,438.26 and 9,783.05 is: 13,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.24 : 20,438.26 = 9,783.05 : x
  2. Step 2: Convert to fraction form
    14,804.24/20,438.26 = 9,783.05/x
  3. Step 3: Cross multiply
    14,804.24x = 20,438.26 × 9,783.05
  4. Step 4: Simplify right side
    14,804.24x = 199,948,392.84
  5. Step 5: Solve for x
    x = 199,948,392.84/14,804.24
  6. Step 6: Final answer
    x = 13,506.16

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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.