Home / 10,902.30-16,312.23-6,670.50

Finding the Fourth Proportional to 10,902.30, 16,312.23 and 6,670.50

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Solution

The fourth proportional to 10,902.30, 16,312.23 and 6,670.50 is: 9,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.30 : 16,312.23 = 6,670.50 : x
  2. Step 2: Convert to fraction form
    10,902.30/16,312.23 = 6,670.50/x
  3. Step 3: Cross multiply
    10,902.30x = 16,312.23 × 6,670.50
  4. Step 4: Simplify right side
    10,902.30x = 108,810,730.22
  5. Step 5: Solve for x
    x = 108,810,730.22/10,902.30
  6. Step 6: Final answer
    x = 9,980.53

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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.