Home / 14,939.10-22,381.65-7,130.70

Finding the Fourth Proportional to 14,939.10, 22,381.65 and 7,130.70

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Solution

The fourth proportional to 14,939.10, 22,381.65 and 7,130.70 is: 10,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.10 : 22,381.65 = 7,130.70 : x
  2. Step 2: Convert to fraction form
    14,939.10/22,381.65 = 7,130.70/x
  3. Step 3: Cross multiply
    14,939.10x = 22,381.65 × 7,130.70
  4. Step 4: Simplify right side
    14,939.10x = 159,596,831.66
  5. Step 5: Solve for x
    x = 159,596,831.66/14,939.10
  6. Step 6: Final answer
    x = 10,683.16

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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.