Home / 10,208.10-15,312.15-4,365.30

Finding the Fourth Proportional to 10,208.10, 15,312.15 and 4,365.30

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Solution

The fourth proportional to 10,208.10, 15,312.15 and 4,365.30 is: 6,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.10 : 15,312.15 = 4,365.30 : x
  2. Step 2: Convert to fraction form
    10,208.10/15,312.15 = 4,365.30/x
  3. Step 3: Cross multiply
    10,208.10x = 15,312.15 × 4,365.30
  4. Step 4: Simplify right side
    10,208.10x = 66,842,128.40
  5. Step 5: Solve for x
    x = 66,842,128.40/10,208.10
  6. Step 6: Final answer
    x = 6,547.95

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Similar ratio
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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.