Home / 10,533.72-15,802.02-4,690.20

Finding the Fourth Proportional to 10,533.72, 15,802.02 and 4,690.20

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Solution

The fourth proportional to 10,533.72, 15,802.02 and 4,690.20 is: 7,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.72 : 15,802.02 = 4,690.20 : x
  2. Step 2: Convert to fraction form
    10,533.72/15,802.02 = 4,690.20/x
  3. Step 3: Cross multiply
    10,533.72x = 15,802.02 × 4,690.20
  4. Step 4: Simplify right side
    10,533.72x = 74,114,634.20
  5. Step 5: Solve for x
    x = 74,114,634.20/10,533.72
  6. Step 6: Final answer
    x = 7,035.94

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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.