Home / 18,904.71-26,088.60-10,407.69

Finding the Fourth Proportional to 18,904.71, 26,088.60 and 10,407.69

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Solution

The fourth proportional to 18,904.71, 26,088.60 and 10,407.69 is: 14,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.71 : 26,088.60 = 10,407.69 : x
  2. Step 2: Convert to fraction form
    18,904.71/26,088.60 = 10,407.69/x
  3. Step 3: Cross multiply
    18,904.71x = 26,088.60 × 10,407.69
  4. Step 4: Simplify right side
    18,904.71x = 271,522,061.33
  5. Step 5: Solve for x
    x = 271,522,061.33/18,904.71
  6. Step 6: Final answer
    x = 14,362.67

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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.