Home / 35,573.12-53,368.64-12,193.28

Finding the Fourth Proportional to 35,573.12, 53,368.64 and 12,193.28

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Solution

The fourth proportional to 35,573.12, 53,368.64 and 12,193.28 is: 18,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,573.12 : 53,368.64 = 12,193.28 : x
  2. Step 2: Convert to fraction form
    35,573.12/53,368.64 = 12,193.28/x
  3. Step 3: Cross multiply
    35,573.12x = 53,368.64 × 12,193.28
  4. Step 4: Simplify right side
    35,573.12x = 650,738,770.74
  5. Step 5: Solve for x
    x = 650,738,770.74/35,573.12
  6. Step 6: Final answer
    x = 18,292.99

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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.