Home / 15,762.07-21,752.58-9,047.71

Finding the Fourth Proportional to 15,762.07, 21,752.58 and 9,047.71

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Solution

The fourth proportional to 15,762.07, 21,752.58 and 9,047.71 is: 12,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.07 : 21,752.58 = 9,047.71 : x
  2. Step 2: Convert to fraction form
    15,762.07/21,752.58 = 9,047.71/x
  3. Step 3: Cross multiply
    15,762.07x = 21,752.58 × 9,047.71
  4. Step 4: Simplify right side
    15,762.07x = 196,811,035.59
  5. Step 5: Solve for x
    x = 196,811,035.59/15,762.07
  6. Step 6: Final answer
    x = 12,486.37

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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.