Home / 13,477.35-20,207.27-6,457.19

Finding the Fourth Proportional to 13,477.35, 20,207.27 and 6,457.19

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Solution

The fourth proportional to 13,477.35, 20,207.27 and 6,457.19 is: 9,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.35 : 20,207.27 = 6,457.19 : x
  2. Step 2: Convert to fraction form
    13,477.35/20,207.27 = 6,457.19/x
  3. Step 3: Cross multiply
    13,477.35x = 20,207.27 × 6,457.19
  4. Step 4: Simplify right side
    13,477.35x = 130,482,048.45
  5. Step 5: Solve for x
    x = 130,482,048.45/13,477.35
  6. Step 6: Final answer
    x = 9,681.58

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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.