Home / 13,715.64-20,570.37-6,312.99

Finding the Fourth Proportional to 13,715.64, 20,570.37 and 6,312.99

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Solution

The fourth proportional to 13,715.64, 20,570.37 and 6,312.99 is: 9,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.64 : 20,570.37 = 6,312.99 : x
  2. Step 2: Convert to fraction form
    13,715.64/20,570.37 = 6,312.99/x
  3. Step 3: Cross multiply
    13,715.64x = 20,570.37 × 6,312.99
  4. Step 4: Simplify right side
    13,715.64x = 129,860,540.11
  5. Step 5: Solve for x
    x = 129,860,540.11/13,715.64
  6. Step 6: Final answer
    x = 9,468.06

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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.