Home / 13,547.72-20,322.22-4,783.56

Finding the Fourth Proportional to 13,547.72, 20,322.22 and 4,783.56

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Solution

The fourth proportional to 13,547.72, 20,322.22 and 4,783.56 is: 7,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.72 : 20,322.22 = 4,783.56 : x
  2. Step 2: Convert to fraction form
    13,547.72/20,322.22 = 4,783.56/x
  3. Step 3: Cross multiply
    13,547.72x = 20,322.22 × 4,783.56
  4. Step 4: Simplify right side
    13,547.72x = 97,212,558.70
  5. Step 5: Solve for x
    x = 97,212,558.70/13,547.72
  6. Step 6: Final answer
    x = 7,175.57

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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.