Home / 9,698.12-14,547.72-2,772.80

Finding the Fourth Proportional to 9,698.12, 14,547.72 and 2,772.80

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Solution

The fourth proportional to 9,698.12, 14,547.72 and 2,772.80 is: 4,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,698.12 : 14,547.72 = 2,772.80 : x
  2. Step 2: Convert to fraction form
    9,698.12/14,547.72 = 2,772.80/x
  3. Step 3: Cross multiply
    9,698.12x = 14,547.72 × 2,772.80
  4. Step 4: Simplify right side
    9,698.12x = 40,337,918.02
  5. Step 5: Solve for x
    x = 40,337,918.02/9,698.12
  6. Step 6: Final answer
    x = 4,159.35

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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.