Home / 9,050.06-12,477.48-6,688.10

Finding the Fourth Proportional to 9,050.06, 12,477.48 and 6,688.10

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Solution

The fourth proportional to 9,050.06, 12,477.48 and 6,688.10 is: 9,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.06 : 12,477.48 = 6,688.10 : x
  2. Step 2: Convert to fraction form
    9,050.06/12,477.48 = 6,688.10/x
  3. Step 3: Cross multiply
    9,050.06x = 12,477.48 × 6,688.10
  4. Step 4: Simplify right side
    9,050.06x = 83,450,633.99
  5. Step 5: Solve for x
    x = 83,450,633.99/9,050.06
  6. Step 6: Final answer
    x = 9,221.00

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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.