Home / 22,239.61-30,711.08-14,295.67

Finding the Fourth Proportional to 22,239.61, 30,711.08 and 14,295.67

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Solution

The fourth proportional to 22,239.61, 30,711.08 and 14,295.67 is: 19,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.61 : 30,711.08 = 14,295.67 : x
  2. Step 2: Convert to fraction form
    22,239.61/30,711.08 = 14,295.67/x
  3. Step 3: Cross multiply
    22,239.61x = 30,711.08 × 14,295.67
  4. Step 4: Simplify right side
    22,239.61x = 439,035,465.02
  5. Step 5: Solve for x
    x = 439,035,465.02/22,239.61
  6. Step 6: Final answer
    x = 19,741.15

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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.