Home / 14,009.19-21,008.55-4,647.46

Finding the Fourth Proportional to 14,009.19, 21,008.55 and 4,647.46

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Solution

The fourth proportional to 14,009.19, 21,008.55 and 4,647.46 is: 6,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.19 : 21,008.55 = 4,647.46 : x
  2. Step 2: Convert to fraction form
    14,009.19/21,008.55 = 4,647.46/x
  3. Step 3: Cross multiply
    14,009.19x = 21,008.55 × 4,647.46
  4. Step 4: Simplify right side
    14,009.19x = 97,636,395.78
  5. Step 5: Solve for x
    x = 97,636,395.78/14,009.19
  6. Step 6: Final answer
    x = 6,969.45

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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.