Home / 15,620.45-23,368.47-13,564.67

Finding the Fourth Proportional to 15,620.45, 23,368.47 and 13,564.67

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Solution

The fourth proportional to 15,620.45, 23,368.47 and 13,564.67 is: 20,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.45 : 23,368.47 = 13,564.67 : x
  2. Step 2: Convert to fraction form
    15,620.45/23,368.47 = 13,564.67/x
  3. Step 3: Cross multiply
    15,620.45x = 23,368.47 × 13,564.67
  4. Step 4: Simplify right side
    15,620.45x = 316,985,416.25
  5. Step 5: Solve for x
    x = 316,985,416.25/15,620.45
  6. Step 6: Final answer
    x = 20,292.98

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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.