Home / 10,578.40-14,567.11-9,458.98

Finding the Fourth Proportional to 10,578.40, 14,567.11 and 9,458.98

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Solution

The fourth proportional to 10,578.40, 14,567.11 and 9,458.98 is: 13,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.40 : 14,567.11 = 9,458.98 : x
  2. Step 2: Convert to fraction form
    10,578.40/14,567.11 = 9,458.98/x
  3. Step 3: Cross multiply
    10,578.40x = 14,567.11 × 9,458.98
  4. Step 4: Simplify right side
    10,578.40x = 137,789,942.08
  5. Step 5: Solve for x
    x = 137,789,942.08/10,578.40
  6. Step 6: Final answer
    x = 13,025.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.