Home / 14,051.93-21,088.28-6,656.40

Finding the Fourth Proportional to 14,051.93, 21,088.28 and 6,656.40

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Solution

The fourth proportional to 14,051.93, 21,088.28 and 6,656.40 is: 9,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.93 : 21,088.28 = 6,656.40 : x
  2. Step 2: Convert to fraction form
    14,051.93/21,088.28 = 6,656.40/x
  3. Step 3: Cross multiply
    14,051.93x = 21,088.28 × 6,656.40
  4. Step 4: Simplify right side
    14,051.93x = 140,372,043.63
  5. Step 5: Solve for x
    x = 140,372,043.63/14,051.93
  6. Step 6: Final answer
    x = 9,989.52

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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.