Home / 14,041.40-21,053.10-6,636.20

Finding the Fourth Proportional to 14,041.40, 21,053.10 and 6,636.20

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Solution

The fourth proportional to 14,041.40, 21,053.10 and 6,636.20 is: 9,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.40 : 21,053.10 = 6,636.20 : x
  2. Step 2: Convert to fraction form
    14,041.40/21,053.10 = 6,636.20/x
  3. Step 3: Cross multiply
    14,041.40x = 21,053.10 × 6,636.20
  4. Step 4: Simplify right side
    14,041.40x = 139,712,582.22
  5. Step 5: Solve for x
    x = 139,712,582.22/14,041.40
  6. Step 6: Final answer
    x = 9,950.05

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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.