Home / 22,430.18-30,966.48-14,886.74

Finding the Fourth Proportional to 22,430.18, 30,966.48 and 14,886.74

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Solution

The fourth proportional to 22,430.18, 30,966.48 and 14,886.74 is: 20,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.18 : 30,966.48 = 14,886.74 : x
  2. Step 2: Convert to fraction form
    22,430.18/30,966.48 = 14,886.74/x
  3. Step 3: Cross multiply
    22,430.18x = 30,966.48 × 14,886.74
  4. Step 4: Simplify right side
    22,430.18x = 460,989,936.48
  5. Step 5: Solve for x
    x = 460,989,936.48/22,430.18
  6. Step 6: Final answer
    x = 20,552.22

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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.