Home / 13,742.66-20,602.45-9,570.35

Finding the Fourth Proportional to 13,742.66, 20,602.45 and 9,570.35

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Solution

The fourth proportional to 13,742.66, 20,602.45 and 9,570.35 is: 14,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.66 : 20,602.45 = 9,570.35 : x
  2. Step 2: Convert to fraction form
    13,742.66/20,602.45 = 9,570.35/x
  3. Step 3: Cross multiply
    13,742.66x = 20,602.45 × 9,570.35
  4. Step 4: Simplify right side
    13,742.66x = 197,172,609.51
  5. Step 5: Solve for x
    x = 197,172,609.51/13,742.66
  6. Step 6: Final answer
    x = 14,347.49

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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.