Home / 10,001.81-13,804.19-7,607.94

Finding the Fourth Proportional to 10,001.81, 13,804.19 and 7,607.94

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Solution

The fourth proportional to 10,001.81, 13,804.19 and 7,607.94 is: 10,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.81 : 13,804.19 = 7,607.94 : x
  2. Step 2: Convert to fraction form
    10,001.81/13,804.19 = 7,607.94/x
  3. Step 3: Cross multiply
    10,001.81x = 13,804.19 × 7,607.94
  4. Step 4: Simplify right side
    10,001.81x = 105,021,411.23
  5. Step 5: Solve for x
    x = 105,021,411.23/10,001.81
  6. Step 6: Final answer
    x = 10,500.25

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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.