Home / 43,153.48-64,733.73-11,988.73

Finding the Fourth Proportional to 43,153.48, 64,733.73 and 11,988.73

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Solution

The fourth proportional to 43,153.48, 64,733.73 and 11,988.73 is: 17,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,153.48 : 64,733.73 = 11,988.73 : x
  2. Step 2: Convert to fraction form
    43,153.48/64,733.73 = 11,988.73/x
  3. Step 3: Cross multiply
    43,153.48x = 64,733.73 × 11,988.73
  4. Step 4: Simplify right side
    43,153.48x = 776,075,210.86
  5. Step 5: Solve for x
    x = 776,075,210.86/43,153.48
  6. Step 6: Final answer
    x = 17,984.07

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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.