Home / 13,537.60-20,307.20-5,216.46

Finding the Fourth Proportional to 13,537.60, 20,307.20 and 5,216.46

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Solution

The fourth proportional to 13,537.60, 20,307.20 and 5,216.46 is: 7,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.60 : 20,307.20 = 5,216.46 : x
  2. Step 2: Convert to fraction form
    13,537.60/20,307.20 = 5,216.46/x
  3. Step 3: Cross multiply
    13,537.60x = 20,307.20 × 5,216.46
  4. Step 4: Simplify right side
    13,537.60x = 105,931,696.51
  5. Step 5: Solve for x
    x = 105,931,696.51/13,537.60
  6. Step 6: Final answer
    x = 7,825.00

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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.