Home / 14,271.56-19,688.18-9,237.40

Finding the Fourth Proportional to 14,271.56, 19,688.18 and 9,237.40

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Solution

The fourth proportional to 14,271.56, 19,688.18 and 9,237.40 is: 12,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.56 : 19,688.18 = 9,237.40 : x
  2. Step 2: Convert to fraction form
    14,271.56/19,688.18 = 9,237.40/x
  3. Step 3: Cross multiply
    14,271.56x = 19,688.18 × 9,237.40
  4. Step 4: Simplify right side
    14,271.56x = 181,867,583.81
  5. Step 5: Solve for x
    x = 181,867,583.81/14,271.56
  6. Step 6: Final answer
    x = 12,743.36

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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.