Home / 46,008.86-69,014.64-12,729.20

Finding the Fourth Proportional to 46,008.86, 69,014.64 and 12,729.20

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Solution

The fourth proportional to 46,008.86, 69,014.64 and 12,729.20 is: 19,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,008.86 : 69,014.64 = 12,729.20 : x
  2. Step 2: Convert to fraction form
    46,008.86/69,014.64 = 12,729.20/x
  3. Step 3: Cross multiply
    46,008.86x = 69,014.64 × 12,729.20
  4. Step 4: Simplify right side
    46,008.86x = 878,500,810.41
  5. Step 5: Solve for x
    x = 878,500,810.41/46,008.86
  6. Step 6: Final answer
    x = 19,094.17

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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.