Home / 20,599.02-30,900.93-7,457.58

Finding the Fourth Proportional to 20,599.02, 30,900.93 and 7,457.58

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Solution

The fourth proportional to 20,599.02, 30,900.93 and 7,457.58 is: 11,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.02 : 30,900.93 = 7,457.58 : x
  2. Step 2: Convert to fraction form
    20,599.02/30,900.93 = 7,457.58/x
  3. Step 3: Cross multiply
    20,599.02x = 30,900.93 × 7,457.58
  4. Step 4: Simplify right side
    20,599.02x = 230,446,157.55
  5. Step 5: Solve for x
    x = 230,446,157.55/20,599.02
  6. Step 6: Final answer
    x = 11,187.24

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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.