Home / 11,038.80-16,547.40-5,487.60

Finding the Fourth Proportional to 11,038.80, 16,547.40 and 5,487.60

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Solution

The fourth proportional to 11,038.80, 16,547.40 and 5,487.60 is: 8,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.80 : 16,547.40 = 5,487.60 : x
  2. Step 2: Convert to fraction form
    11,038.80/16,547.40 = 5,487.60/x
  3. Step 3: Cross multiply
    11,038.80x = 16,547.40 × 5,487.60
  4. Step 4: Simplify right side
    11,038.80x = 90,805,512.24
  5. Step 5: Solve for x
    x = 90,805,512.24/11,038.80
  6. Step 6: Final answer
    x = 8,226.03

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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.