Home / 15,030.84-20,740.14-9,437.88

Finding the Fourth Proportional to 15,030.84, 20,740.14 and 9,437.88

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Solution

The fourth proportional to 15,030.84, 20,740.14 and 9,437.88 is: 13,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.84 : 20,740.14 = 9,437.88 : x
  2. Step 2: Convert to fraction form
    15,030.84/20,740.14 = 9,437.88/x
  3. Step 3: Cross multiply
    15,030.84x = 20,740.14 × 9,437.88
  4. Step 4: Simplify right side
    15,030.84x = 195,742,952.50
  5. Step 5: Solve for x
    x = 195,742,952.50/15,030.84
  6. Step 6: Final answer
    x = 13,022.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.