Home / 47,515.14-71,267.23-12,457.58

Finding the Fourth Proportional to 47,515.14, 71,267.23 and 12,457.58

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Solution

The fourth proportional to 47,515.14, 71,267.23 and 12,457.58 is: 18,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.14 : 71,267.23 = 12,457.58 : x
  2. Step 2: Convert to fraction form
    47,515.14/71,267.23 = 12,457.58/x
  3. Step 3: Cross multiply
    47,515.14x = 71,267.23 × 12,457.58
  4. Step 4: Simplify right side
    47,515.14x = 887,817,219.10
  5. Step 5: Solve for x
    x = 887,817,219.10/47,515.14
  6. Step 6: Final answer
    x = 18,684.93

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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.