Home / 10,804.18-14,904.46-7,220.01

Finding the Fourth Proportional to 10,804.18, 14,904.46 and 7,220.01

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Solution

The fourth proportional to 10,804.18, 14,904.46 and 7,220.01 is: 9,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.18 : 14,904.46 = 7,220.01 : x
  2. Step 2: Convert to fraction form
    10,804.18/14,904.46 = 7,220.01/x
  3. Step 3: Cross multiply
    10,804.18x = 14,904.46 × 7,220.01
  4. Step 4: Simplify right side
    10,804.18x = 107,610,393.55
  5. Step 5: Solve for x
    x = 107,610,393.55/10,804.18
  6. Step 6: Final answer
    x = 9,960.07

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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.