Home / 14,210.48-21,315.76-4,974.32

Finding the Fourth Proportional to 14,210.48, 21,315.76 and 4,974.32

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Solution

The fourth proportional to 14,210.48, 21,315.76 and 4,974.32 is: 7,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.48 : 21,315.76 = 4,974.32 : x
  2. Step 2: Convert to fraction form
    14,210.48/21,315.76 = 4,974.32/x
  3. Step 3: Cross multiply
    14,210.48x = 21,315.76 × 4,974.32
  4. Step 4: Simplify right side
    14,210.48x = 106,031,411.28
  5. Step 5: Solve for x
    x = 106,031,411.28/14,210.48
  6. Step 6: Final answer
    x = 7,461.49

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Similar ratio
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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.