Home / 15,444.76-21,313.02-9,785.56

Finding the Fourth Proportional to 15,444.76, 21,313.02 and 9,785.56

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Solution

The fourth proportional to 15,444.76, 21,313.02 and 9,785.56 is: 13,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.76 : 21,313.02 = 9,785.56 : x
  2. Step 2: Convert to fraction form
    15,444.76/21,313.02 = 9,785.56/x
  3. Step 3: Cross multiply
    15,444.76x = 21,313.02 × 9,785.56
  4. Step 4: Simplify right side
    15,444.76x = 208,559,835.99
  5. Step 5: Solve for x
    x = 208,559,835.99/15,444.76
  6. Step 6: Final answer
    x = 13,503.60

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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.