Home / 14,288.02-21,445.86-6,897.67

Finding the Fourth Proportional to 14,288.02, 21,445.86 and 6,897.67

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Solution

The fourth proportional to 14,288.02, 21,445.86 and 6,897.67 is: 10,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.02 : 21,445.86 = 6,897.67 : x
  2. Step 2: Convert to fraction form
    14,288.02/21,445.86 = 6,897.67/x
  3. Step 3: Cross multiply
    14,288.02x = 21,445.86 × 6,897.67
  4. Step 4: Simplify right side
    14,288.02x = 147,926,465.15
  5. Step 5: Solve for x
    x = 147,926,465.15/14,288.02
  6. Step 6: Final answer
    x = 10,353.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.