Home / 10,547.30-15,821.60-3,885.59

Finding the Fourth Proportional to 10,547.30, 15,821.60 and 3,885.59

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Solution

The fourth proportional to 10,547.30, 15,821.60 and 3,885.59 is: 5,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.30 : 15,821.60 = 3,885.59 : x
  2. Step 2: Convert to fraction form
    10,547.30/15,821.60 = 3,885.59/x
  3. Step 3: Cross multiply
    10,547.30x = 15,821.60 × 3,885.59
  4. Step 4: Simplify right side
    10,547.30x = 61,476,152.21
  5. Step 5: Solve for x
    x = 61,476,152.21/10,547.30
  6. Step 6: Final answer
    x = 5,828.62

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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.