Home / 15,909.46-21,946.74-10,803.18

Finding the Fourth Proportional to 15,909.46, 21,946.74 and 10,803.18

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Solution

The fourth proportional to 15,909.46, 21,946.74 and 10,803.18 is: 14,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.46 : 21,946.74 = 10,803.18 : x
  2. Step 2: Convert to fraction form
    15,909.46/21,946.74 = 10,803.18/x
  3. Step 3: Cross multiply
    15,909.46x = 21,946.74 × 10,803.18
  4. Step 4: Simplify right side
    15,909.46x = 237,094,582.63
  5. Step 5: Solve for x
    x = 237,094,582.63/15,909.46
  6. Step 6: Final answer
    x = 14,902.74

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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.