Home / 21,041.19-29,039.40-12,088.67

Finding the Fourth Proportional to 21,041.19, 29,039.40 and 12,088.67

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Solution

The fourth proportional to 21,041.19, 29,039.40 and 12,088.67 is: 16,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.19 : 29,039.40 = 12,088.67 : x
  2. Step 2: Convert to fraction form
    21,041.19/29,039.40 = 12,088.67/x
  3. Step 3: Cross multiply
    21,041.19x = 29,039.40 × 12,088.67
  4. Step 4: Simplify right side
    21,041.19x = 351,047,578.40
  5. Step 5: Solve for x
    x = 351,047,578.40/21,041.19
  6. Step 6: Final answer
    x = 16,683.83

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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.