Home / 14,402.34-21,477.42-14,271.12

Finding the Fourth Proportional to 14,402.34, 21,477.42 and 14,271.12

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Solution

The fourth proportional to 14,402.34, 21,477.42 and 14,271.12 is: 21,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.34 : 21,477.42 = 14,271.12 : x
  2. Step 2: Convert to fraction form
    14,402.34/21,477.42 = 14,271.12/x
  3. Step 3: Cross multiply
    14,402.34x = 21,477.42 × 14,271.12
  4. Step 4: Simplify right side
    14,402.34x = 306,506,838.11
  5. Step 5: Solve for x
    x = 306,506,838.11/14,402.34
  6. Step 6: Final answer
    x = 21,281.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.