Home / 31,259.48-46,865.64-10,186.94

Finding the Fourth Proportional to 31,259.48, 46,865.64 and 10,186.94

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Solution

The fourth proportional to 31,259.48, 46,865.64 and 10,186.94 is: 15,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.48 : 46,865.64 = 10,186.94 : x
  2. Step 2: Convert to fraction form
    31,259.48/46,865.64 = 10,186.94/x
  3. Step 3: Cross multiply
    31,259.48x = 46,865.64 × 10,186.94
  4. Step 4: Simplify right side
    31,259.48x = 477,417,411.81
  5. Step 5: Solve for x
    x = 477,417,411.81/31,259.48
  6. Step 6: Final answer
    x = 15,272.72

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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.