Home / 19,187.55-26,477.01-10,688.81

Finding the Fourth Proportional to 19,187.55, 26,477.01 and 10,688.81

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Solution

The fourth proportional to 19,187.55, 26,477.01 and 10,688.81 is: 14,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.55 : 26,477.01 = 10,688.81 : x
  2. Step 2: Convert to fraction form
    19,187.55/26,477.01 = 10,688.81/x
  3. Step 3: Cross multiply
    19,187.55x = 26,477.01 × 10,688.81
  4. Step 4: Simplify right side
    19,187.55x = 283,007,596.87
  5. Step 5: Solve for x
    x = 283,007,596.87/19,187.55
  6. Step 6: Final answer
    x = 14,749.54

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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.