Home / 15,609.47-21,541.08-10,030.19

Finding the Fourth Proportional to 15,609.47, 21,541.08 and 10,030.19

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Solution

The fourth proportional to 15,609.47, 21,541.08 and 10,030.19 is: 13,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.47 : 21,541.08 = 10,030.19 : x
  2. Step 2: Convert to fraction form
    15,609.47/21,541.08 = 10,030.19/x
  3. Step 3: Cross multiply
    15,609.47x = 21,541.08 × 10,030.19
  4. Step 4: Simplify right side
    15,609.47x = 216,061,017.50
  5. Step 5: Solve for x
    x = 216,061,017.50/15,609.47
  6. Step 6: Final answer
    x = 13,841.67

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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.