Home / 9,819.64-13,547.64-5,570.08

Finding the Fourth Proportional to 9,819.64, 13,547.64 and 5,570.08

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Solution

The fourth proportional to 9,819.64, 13,547.64 and 5,570.08 is: 7,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.64 : 13,547.64 = 5,570.08 : x
  2. Step 2: Convert to fraction form
    9,819.64/13,547.64 = 5,570.08/x
  3. Step 3: Cross multiply
    9,819.64x = 13,547.64 × 5,570.08
  4. Step 4: Simplify right side
    9,819.64x = 75,461,438.61
  5. Step 5: Solve for x
    x = 75,461,438.61/9,819.64
  6. Step 6: Final answer
    x = 7,684.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.