Home / 10,030.10-15,047.55-4,831.70

Finding the Fourth Proportional to 10,030.10, 15,047.55 and 4,831.70

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Solution

The fourth proportional to 10,030.10, 15,047.55 and 4,831.70 is: 7,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.10 : 15,047.55 = 4,831.70 : x
  2. Step 2: Convert to fraction form
    10,030.10/15,047.55 = 4,831.70/x
  3. Step 3: Cross multiply
    10,030.10x = 15,047.55 × 4,831.70
  4. Step 4: Simplify right side
    10,030.10x = 72,705,247.34
  5. Step 5: Solve for x
    x = 72,705,247.34/10,030.10
  6. Step 6: Final answer
    x = 7,248.71

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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.