Home / 14,030.43-21,036.93-6,900.47

Finding the Fourth Proportional to 14,030.43, 21,036.93 and 6,900.47

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Solution

The fourth proportional to 14,030.43, 21,036.93 and 6,900.47 is: 10,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.43 : 21,036.93 = 6,900.47 : x
  2. Step 2: Convert to fraction form
    14,030.43/21,036.93 = 6,900.47/x
  3. Step 3: Cross multiply
    14,030.43x = 21,036.93 × 6,900.47
  4. Step 4: Simplify right side
    14,030.43x = 145,164,602.72
  5. Step 5: Solve for x
    x = 145,164,602.72/14,030.43
  6. Step 6: Final answer
    x = 10,346.41

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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.